Exterior Marine Vents

32 Items
 
Dollar Days Sale! Extra Savings
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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    Dollar Days Sale! Extra Savings
    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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      Boat Care Special! Save Now
      Dr. Shrink Self-Adhesive Vent
        Self-adhesive "weather-tight" shrink wrap vent, 4" x 5".
        List price: $2.99
        Only $2.15
        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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          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
              (4)
              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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                Seachoice Clam Shell Ventilators
                  Chrome Plated Brass
                  List price: $10.25
                  Starting at:
                  $9.01
                  In stock
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                  Side Vent Adjuster Kit
                    Features:Injection molded nylon.Included a 302 stainless steel pin. Skin Packed.
                    List price: $8.95
                    Your price:
                    $7.39
                    (1)
                    In stock
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                    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:
                      $1.66
                      (2)
                      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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                        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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                          Seadog Clam Shell Vent
                            Stamped 304 stainless steel. Available in three sizes.
                            List price: $21.45
                            Starting at:
                            $17.72
                            (1)
                            In stock
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                            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
                              Your price:
                              $5.14
                              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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                                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
                                  Your price:
                                  $4.55
                                  In stock
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                                  Perko Louvered Ventilators
                                    Features:Chrome plated brass.Screw size: #4 R.H.
                                    List price: $26.09
                                    Starting at:
                                    $18.50
                                    In stock
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                                    COWL VENT W/HOSE ADAPTER F/3 - Beckson
                                      Designed for attaching ventilation hose to deck for use with Beckson "C" series vents.
                                      List price: $10.40
                                      Your price:
                                      $8.30
                                      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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                                        AFI Hose and Cowl Vents
                                          Red interiors. White cycolac snap-in deck plates provided. Flexible and low profile.
                                          List price: $59.79
                                          Starting at:
                                          $48.52
                                          In stock
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                                            PVC. Ideal for areas where vent will be under foot or foul lines.
                                            List price: $20.50
                                            Your price:
                                            $16.36
                                            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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                                                Chrome plated brass.
                                                List price: $5.70
                                                Starting at:
                                                $4.38
                                                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
                                                  (4)
                                                  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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                                                      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 …
                                                      List price: $12.69
                                                      Your price:
                                                      $10.05
                                                      In stock
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                                                        White ABS vent cap with vent hose adapter that mounts to deck. Vents snaps into place on adapter.
                                                        List price: $42.00
                                                        Starting at:
                                                        $34.20
                                                        In stock
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                                                          Stainless steel. Fastener is #6 RH.
                                                          List price: $21.45
                                                          Starting at:
                                                          $17.72
                                                          (1)
                                                          In stock
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                                                          Attwood Venturi Vent
                                                            A clean, contemporary, louver designed vent. Corrosion-resistant ABS plastic. Install with #8 screws. For use with collector boxes 13411 for …
                                                            List price: $12.59
                                                            Starting at:
                                                            $10.70
                                                            (5)
                                                            In stock
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                                                              Passive cowl vents allow proper ventilation to help prevent mold and mildew and keep your boat fresh with no use of power. White with a red interior&# …
                                                              List price: $73.79
                                                              Starting at:
                                                              $59.83
                                                              In stock
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                                                              Attwood Cowl Ventilator
                                                                List price: $26.99
                                                                Your price:
                                                                $22.94
                                                                (6)
                                                                Out of stock
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                                                                Self-Adhesive Vent
                                                                  Self-adhesive "weather-tight" shrink wrap vent, 4" x 5".
                                                                  List price: $3.19
                                                                  Your price:
                                                                  $2.11
                                                                  Out of stock
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                                                                  32 Items
                                                                   
                                                                  Seadog Line
                                                                   
                                                                  Attwood
                                                                   
                                                                  Seachoice
                                                                   
                                                                  Perko
                                                                  Beckson
                                                                   
                                                                  T-H Marine Supply
                                                                   
                                                                  AFI
                                                                   
                                                                  Dr. Shrink
                                                                  Seasense
                                                                   
                                                                  Nicro
                                                                   
                                                                  DetMar
                                                                  BackNext
                                                                  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  …
                                                                  Midget Clam Shell Ventilator 2-1/4" X 2- …
                                                                  Only $1.90
                                                                  Save:$0.50 (20% Off)
                                                                  Midget Clam Shell Ventilator 2-1/4" X 2- …
                                                                   
                                                                  Midget Clam Shell Ventilator 1-5/8" X 1- …
                                                                  Only $1.66
                                                                  Save:$0.44 (20% Off)
                                                                  Midget Clam Shell Ventilator 1-5/8" X 1- …
                                                                   
                                                                  Venturi Vent, Black - Attwood
                                                                  Only $17.16
                                                                  Save:$3.03 (15% Off)
                                                                  Venturi Vent, Black - Attwood
                                                                   
                                                                  Louvered Venturi, Chrome - Attwood
                                                                  Only $28.47
                                                                  Save:$6.52 (18% Off)
                                                                  Louvered Venturi, Chrome - Attwood
                                                                  Louvered Boat Venturi, Chrome, Bulk Packaging …
                                                                  Only $26.28
                                                                  Save:$6.01 (18% Off)
                                                                  Louvered Boat Venturi, Chrome, Bulk Packaging …
                                                                   
                                                                  Louvered Vent, Plastic, Chrome Plated - Attwo …
                                                                  Only $32.28
                                                                  Save:$5.71 (15% Off)
                                                                  Louvered Vent, Plastic, Chrome Plated - Attwo …
                                                                   
                                                                  Flush Louvered Vent, Black - Attwood
                                                                  Only $10.87
                                                                  Save:$1.92 (15% Off)
                                                                  Flush Louvered Vent, Black - Attwood
                                                                   
                                                                  Side Vent Adjuster Kit SeaDog Line
                                                                  Only $7.39
                                                                  Save:$1.56 (17% Off)
                                                                  Side Vent Adjuster Kit SeaDog Line
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                                                                  Self-Adhesive Vent, 4" x 5", White  …
                                                                  Only $2.15
                                                                  Save:$0.84 (18% Off)
                                                                  Self-Adhesive Vent, 4" x 5", White  …
                                                                  Boat Care Special! Save Now
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                                                                  Boat Care Special! Save Now
                                                                  Only $2.15
                                                                  Savings: $0.84
                                                                  Compare at: $2.99
                                                                  Self-Adhesive Vent, 4" x 5", White - Dr. Shrink
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