Exterior Marine Vents

30 Items
 
Spring Savings Sale! Extra 10% Off
Perko Cowl Ventilator
    Features:Perko Chromalex, die-cast chrome Plated Zinc Alloy Cowl with Black Polymer Base.Connects to 3" I.D. ventilation hose (Hose Clamps Not …
    List price: $30.29
    Only $21.15
    In stock
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    Discounted! Spring Savings Sale
    Side Vent Adjuster Kit
      Features:Injection molded nylon.Included a 302 stainless steel pin. Skin Packed.
      List price: $8.95
      Only $7.02
      (1)
      In stock
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      Discounted! Spring Savings Sale
      Seadog Midget Clam Shell Ventilator
        Features: Made of 18-8 stainless steel. This streamlined midget ventilator has many uses, including shielding gas tank vents.Available in 2 sizes: 1- …
        List price: $2.10
        Starting at $1.57
        In stock
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        Spring Savings Sale! Extra 10% Off
        Perko Clam Shell Ventilator
          Features:Chrome plated brass. Dimensions: Base 4"x3-3/4", height opening 1-5/8", width opening 2-1/2".For number 6 fasteners.Comes Skin Packed.
          List price: $42.49
          Only $29.08
          In stock
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          Discounted! Spring Savings Sale
          Seadog Clam Shell Vent
            Stamped 304 stainless steel. Available in three sizes.
            List price: $21.45
            Starting at $16.84
            (1)
            In stock
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            Discounted! Spring Savings Sale
            Seadog Midget Vent - Heavy Duty
              Heavy duty stamped 304 stainless steel. 3-3/4"L x 3-1/2"W x 1/2"H.
              List price: $6.70
              Only $5.25
              In stock
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              Discounted! Spring Savings Sale
              Cable Outlet 5/16" - Seadog Line
                Machined brass, chrome plated. 1/4" cable opening fits RG58 coax cable. 5/16" cable opening fits RG8X coax cable. Flange width 1-1/4", height above …
                List price: $5.50
                Only $4.32
                In stock
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                Attwood Venturi Vent
                  This Attwood Louvered vent is not only clean and modern, its also made from an ultra corrosion-resistant plastic. Installs simply with #8 screws, …
                  List price: $12.59
                  Starting at:
                  $10.70
                  (4)
                  In stock
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                  Attwood Plastic Louvered Vent
                    Manufactured with edge-free, paintable and corrosion resistant plastic, this louvered vent can just blend in and do its job. In a variety of …
                    List price: $15.69
                    Starting at:
                    $13.34
                    (5)
                    In stock
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                    Attwood Flush Louvered Vent
                      Attwood louvers deflect the rain and help to protect your collector box. The handy drain slots help prevent water the accumulation of water. With …
                      List price: $12.79
                      Starting at:
                      $10.87
                      (3)
                      In stock
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                      T-H Marine Louvered Plastic Vent Cover
                        Vent cover designed with louvers to eliminate see-through look and defect rain.5 5/8" overall diameter fits into 4" hole.Designed with a flange …
                        List price: $5.79
                        Starting at:
                        $4.92
                        (2)
                        In stock
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                        Attwood Cowl Ventilator
                          List price: $26.99
                          Your price:
                          $22.94
                          (6)
                          In stock
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                          Detmar Low Profile Louvered Vent
                            Features:Contemporary styling combined with tough ABS construction.Hole cut out: 15-1/2" x 2-1/4".Size: 17" Long x 3-1/8" High x 1"D with 15/16" …
                            List price: $19.89
                            Your price:
                            $9.41
                            (3)
                            In stock
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                            Perko Flanged Ventilator
                              Features:3" Duct threads into neck.No clamps necessary. Chrome plated zinc alloy with black Perko-Kote base. Mouth opening: 7-1/3" Length overall: 5- …
                              List price: $42.49
                              Your price:
                              $26.97
                              In stock
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                              Seachoice Clam Shell Ventilators
                                Chrome Plated Brass
                                List price: $10.25
                                Starting at:
                                $9.01
                                In stock
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                                Beckson Ventilators
                                  Features:Tough white CYCOLAC plastic air scoops with white acrylic cap to prevent cracking or discoloring. Packed in bags with stainless steel screws. …
                                  List price: $23.15
                                  Starting at:
                                  $18.48
                                  In stock
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                                  T-H Marine Clam Shell Vents
                                    Features: These super-strong molded clam shells are an economical and attractive alternative for metal clam shells.Molded super strong.UV and weather …
                                    List price: $6.89
                                    Starting at:
                                    $5.48
                                    In stock
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                                    Molded Clam Shell, Large, White - Seachoice
                                      UV and weather resistant and great for routing cables, wire, etc.
                                      List price: $7.25
                                      Starting at:
                                      $6.37
                                      In stock
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                                      Seasense Mini Clam Shell Vent
                                        Stainless steel clam shell vent.Sold in pairs.Used for rigging.
                                        List price: $2.79
                                        Starting at:
                                        $2.49
                                        (1)
                                        In stock
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                                        Self-Adhesive Vent
                                          Self-adhesive "weather-tight" shrink wrap vent, 4" x 5".
                                          List price: $3.19
                                          Your price:
                                          $2.71
                                          In stock
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                                          Attwood S.S. Louvered Vent
                                            All-welded 304 stainless steel construction with polished finish. Install with #8 screws. Requires collector box 1487A for 3" system, or 1487B for 4" …
                                            List price: $43.99
                                            Your price:
                                            $37.39
                                            (2)
                                            In stock
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                                            Dr. Shrink Self-Adhesive Vent
                                              Self-adhesive "weather-tight" shrink wrap vent, 4" x 5".
                                              List price: $2.99
                                              Your price:
                                              $2.54
                                              In stock
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                                              VENT S/S CLAM SHELL - Seadog Line
                                                Stainless steel. Fastener is #6 RH.
                                                List price: $34.75
                                                Your price:
                                                $26.65
                                                In stock
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                                                CLAM SHELL VENT-4 X 3 3/4 - Seachoice
                                                  Great for routing cables.
                                                  List price: $24.95
                                                  Your price:
                                                  $19.65
                                                  In stock
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                                                  CLAM SHELL VENT SS 7-1/2IN - Seadog Line
                                                    Stainless steel. Fastener is #6 RH.
                                                    List price: $38.75
                                                    Your price:
                                                    $29.72
                                                    In stock
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                                                    CABLE OUTLET CHR BRS 3/8IN - Seadog Line
                                                      Chrome plated brass.
                                                      List price: $5.70
                                                      Your price:
                                                      $4.38
                                                      In stock
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                                                      VENT LOUVER 3IN X 5-1/2IN - Perko
                                                        Chrome plated brass. Screw size is #4 R.H.
                                                        List price: $34.59
                                                        Your price:
                                                        $23.59
                                                        In stock
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                                                        3 COLLECTOR BOX - Attwood
                                                          Use with plastic louvered vent with two 3" I.D. wire supported ventilation hoses. Box fastens to vent with screws or pop rivets vent then fastens to …
                                                          List price: $12.69
                                                          Your price:
                                                          $10.05
                                                          In stock
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                                                          AFI Hose and Cowl Vents
                                                            List price: $59.79
                                                            Starting at:
                                                            $48.52
                                                            In stock
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                                                            COWL VENT W/HOSE ADAPTER F/3 - Beckson
                                                              List price: $10.40
                                                              Starting at:
                                                              $8.30
                                                              In stock
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                                                              30 Items
                                                               
                                                              5-15% Extra Savings!
                                                              Seadog Line
                                                               
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                                                              Perko
                                                               
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                                                              T-H Marine Supply
                                                               
                                                              Sensible Savings Up to 15% Off!
                                                              Seasense
                                                              Attwood
                                                               
                                                              Seachoice
                                                               
                                                              Beckson
                                                               
                                                              AFI
                                                              Dr. Shrink
                                                               
                                                              DetMar
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                                                              Venturi Vent, White, Bulk - Attwood
                                                              Only $10.70
                                                              Save:$1.89 (15% Off)
                                                              Venturi Vent, White, Bulk - Attwood
                                                               
                                                              Louvered Vent, Plastic, Off-White, Bulk - Att …
                                                              Only $13.34
                                                              Save:$2.35 (14% Off)
                                                              Louvered Vent, Plastic, Off-White, Bulk - Att …
                                                               
                                                              Low Profile Boat Louvered Vent, White - DetMa …
                                                              Only $9.41
                                                              Save:$10.48 (52% Off)
                                                              Low Profile Boat Louvered Vent, White - DetMa …
                                                               
                                                              Vent Cover, Louvered Style, Fish White - T-H  …
                                                              Only $4.92
                                                              Save:$0.87 (15% Off)
                                                              Vent Cover, Louvered Style, Fish White - T-H  …
                                                              Boat Cowl Ventilator - Attwood
                                                              Only $22.94
                                                              Save:$4.05 (15% Off)
                                                              Boat Cowl Ventilator - Attwood
                                                               
                                                              Midget Clam Shell Ventilator 1-5/8" X 1- …
                                                              Only $1.57
                                                              Save:$0.53 (21% Off)
                                                              Midget Clam Shell Ventilator 1-5/8" X 1- …
                                                              Discounted! Spring Savings Sale
                                                               
                                                              Louvered Venturi, Chrome - Attwood
                                                              Only $28.47
                                                              Save:$6.52 (18% Off)
                                                              Louvered Venturi, Chrome - Attwood
                                                               
                                                              Vent Cover, Louvered Style, Black - T-H Marin …
                                                              Only $4.92
                                                              Save:$0.87 (15% Off)
                                                              Vent Cover, Louvered Style, Black - T-H Marin …
                                                              Midget Clam Shell Ventilator 2-1/4" X 2- …
                                                              Only $1.80
                                                              Save:$0.60 (22% Off)
                                                              Midget Clam Shell Ventilator 2-1/4" X 2- …
                                                              Discounted! Spring Savings Sale
                                                               
                                                              Cowl Ventilator - Perko
                                                              Only $21.74
                                                              Save:$8.55 (28% Off)
                                                              Cowl Ventilator - Perko
                                                              Spring Savings Sale! Extra 10% Off
                                                               
                                                              Boat Vent, Louvered, Stainless Steel - Attwoo …
                                                              Only $37.39
                                                              Save:$6.60 (15% Off)
                                                              Boat Vent, Louvered, Stainless Steel - Attwoo …
                                                               
                                                              Louvered Boat Venturi, Chrome, Bulk Packaging …
                                                              Only $26.28
                                                              Save:$6.01 (18% Off)
                                                              Louvered Boat Venturi, Chrome, Bulk Packaging …
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                                                              Midget Clam Shell Ventilator 2-1/4" X 2- …
                                                              Only $1.80
                                                              Save:$0.60 (22% Off)
                                                              Midget Clam Shell Ventilator 2-1/4" X 2- …
                                                              Discounted! Spring Savings Sale
                                                               
                                                              Side Vent Adjuster Kit SeaDog Line
                                                              Only $7.02
                                                              Save:$1.93 (18% Off)
                                                              Side Vent Adjuster Kit SeaDog Line
                                                              Discounted! Spring Savings Sale
                                                               
                                                              4x3-3/4" Clam Shell Ventilator, CD - Per …
                                                              Only $29.89
                                                              Save:$12.60 (29% Off)
                                                              4x3-3/4" Clam Shell Ventilator, CD - Per …
                                                              Spring Savings Sale! Extra 10% Off
                                                               
                                                              Vent, Clamshell, 3-3/4"L x 3-1/2"W  …
                                                              Only $5.25
                                                              Save:$1.45 (18% Off)
                                                              Vent, Clamshell, 3-3/4"L x 3-1/2"W  …
                                                              Discounted! Spring Savings Sale
                                                              Vent, Clamshell, 5"L x 4-1/2"W x 2& …
                                                              Only $16.84
                                                              Save:$4.61 (18% Off)
                                                              Vent, Clamshell, 5"L x 4-1/2"W x 2& …
                                                              Discounted! Spring Savings Sale
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                                                              Great Boating Days are Ahead!
                                                              Enjoy Extra Discounts 5-20% Off During the SPRING SAVINGS SALE!
                                                              Discounted! Spring Savings Sale
                                                              Only $1.80
                                                              Savings: $0.60
                                                              Compare at: $2.40
                                                              Midget Clam Shell Ventilator 2-1/4" X 2-1/8" CD SeaDog Line
                                                              Discounted! Spring Savings Sale
                                                              Only $7.02
                                                              Savings: $1.93
                                                              Compare at: $8.95
                                                              Side Vent Adjuster Kit SeaDog Line
                                                              Spring Savings Sale! Extra 10% Off
                                                              Only $29.08
                                                              Savings: $13.41
                                                              Compare at: $42.49
                                                              4x3-3/4" Clam Shell Ventilator, CD - Perko
                                                              Great Boating Days are Ahead!
                                                              Enjoy Extra Discounts 5-20% Off During the SPRING SAVINGS SALE!