Cowl VentilatorAttwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull. Ventilation hose (not included) twists into the bottom of the box to form a raised water barrier. Plastic vents are...

Cowl Ventilator(1312)Chrome Plated Zinc Alloy Cowl w/ Black Plastic Base3" Duct Threads Into Neck, Hose Clamps Not RequiredLength: 5-3/4"Width: 4-3/8"Height: 2-5/8" Quick Guide (pdf)

Chrome Plated Brass Clamshell Ventilator - 1-5/8" x 1-1/2"Features:Chrome Plated BrassBase Dimensions: 1-5/8" x 1-1/2"Height Opening: 7/16"Width Opening: 7/8"

Chrome Plated Brass Round Locker Ventilator - 2-1/2"Features:Chrome Plated Brass or Stainless SteelO.D. Size: 2-1/2"Screw Size: #6 R.H.

Chrome Plated Brass Round Locker Ventilator - 3-1/4"Features:Chrome Plated Brass or Stainless SteelO.D. Size: 3-1/4"Screw Size: #6 R.H.

Clam Shell Ventilator - Chrome Plated Brass - 4" x 3-3/4"Specs: Chrome Plated Brass Dimensions Base: 4" x 3-3/4" Width Opening: 2-1/2" Height Opening: 1-5/8" Screw Size: #6

Clam Shell VentilatorChrome Plated Brass - 2" x 2"

Cowl Ventilator(0870)Chrome Plated Zinc Alloy Cowl with Black PERKO-KOTE Base3" Duct Thread into Neck, Hose Clamps Not RequiredCowl Opening Square: 7-1/3"

Gas Tank VentChrome Plated Zinc Alloy with Black Polymer Splash GuardRemovable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use with fuel applicationsHose Size: 5/8"Max Hull Thickness: 3/4"

Gas Tank Vent w/Swivel Elbow - Chrome/BlackFeatures: Chrome Plated Zinc Alloy Cap with Zinc Alloy Elbow Black or White Polymer Splash Guards Removable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use with fuel applications Design Allows...

Stainless Steel Butterfly Vent - Center Knob - 4" Butterfly Vents promote air flow preventing mold, mildew, and associated odors. Features a center knob that allows for easy adjustment of the opening. Corrosion resistant 304 stainless steel...

Stainless Steel Butterfly Vent - Center Knob - 5" Butterfly Vents promote air flow preventing mold, mildew, and associated odors. Features a center knob that allows for easy adjustment of the opening. Corrosion resistant 304 stainless steel...

Stainless Steel Clam Shell Vent - Large Large Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...

Stainless Steel Clam Shell Vent - Mini Mini Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...

Stainless Steel Clam Shell Vent - Small Large Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...

Stainless Steel Cowl Vent with Base - 3" Hose Cowl Vent with Base provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction with black...

Stainless Steel Cowl Vent Cowl Vent provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction. Installs with four #8 FH fasteners (not...

Stainless Steel Drain Cover - 3-1/4" Stamped 304 Stainless Steel

Stainless Steel Flush Mount Gas Tank Vent 5/8" Hose - StraightThe Flush Mount Gas Tank Vent provides the needed air flow to maintain proper fuel flow while filling and during use. Vents compensate for changes in tank level due to consumption, as well as...

Stainless Steel Locker Vent - 2-3/8" x 6-3/4" Locker Vents are designed to promote air circulation in interior areas and prevent mold, mildew, and unpleasant odors. Easy to install with six #8 RH fasteners (not included). Corrosion resistant...

Stainless Steel Louvered Vent - 5" x 2-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...

Stainless Steel Louvered Vent - 5" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...

Stainless Steel Louvered Vent - 5" x 9" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not included)...

Stainless Steel Louvered Vent - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...

Stainless Steel Louvered Vent - Oval - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners...

Stainless Steel Midget Vent - Heavy Duty Heavy Duty Midget Vents feature a reinforced rim, making them durable enough to stand on. Great for routing cables or wires through a hole or for covering thru-hull openings to shield water spray. Ideal for...

Stainless Steel Midget Vent - Medium Midget Vents provide a splash-proof opening through transoms, cabin sides, etc. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, they provide...

Stainless Steel Midget Vent - Small Midget Vents provide a splash-proof opening through transoms, cabin sides, etc. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, they provide...

Stainless Steel Round Louvered Vent - 4" Round Louvered Vents allow air in while keeping water out. Installs with four #6 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 4” 0.88 in2.

Stainless Steel Round Louvered Vent - 5" Round Louvered Vents allow air in while keeping water out. Installs with four #6 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 5” 2.02 in2.

Material: 304 Stainless Steel Size: 2-1/4" x 2-1/4" Fastener: #6 (3)

Material: 304 Stainless Steel Size: 1-1/2" x 1-3/4" Fastener: #6 (3)

Description: Rectangular Base - Hose - 9/16" - Hole Size - 3/4" Material: C.P. Zamac Type: Straight

90 degree Gas Vent. Picture of product is the center image. Round Head. Hose is 3/4", Hole size is 9/16"

Description: Round Head Hose - 9/16" Hole - 3/4"Material: C.P. Brass Type: 90 degreesWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm...

Gas Vent w/Stainless Steel Screen

Description: Round Head Hose - 9/16" Hole Size - 3/4" Material: C.P. Brass Type: Straight WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive...