Stainless Steel Clamshell Ventilator 2" x 2"Features: Polished Stainless Steel 2" x 2" Screw Size: 6

Stainless Steel Clamshell Ventilator 1-5/8" x 1-1/2"Features: Polished Stainless Steel 1-5/8" x 1-1/2" Screw Size: 4

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

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

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

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 attractive cover for ventilation holes while also...

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 corrosion-resistant, will 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 included). Corrosion resistant stamped 304...

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 ventilation with the addition of a dorade box....

90° P-Trap Fuel Tank Vent -  Black with Black Vent HeadThis Attwood 90-Degree P-Trap Fuel Tank Vent reliably helps prevent water from entering the fuel tank while still allowing air to vent freely during normal sea conditions and washdowns. This vent’s effectiveness eliminates the...

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 Elbow to be Rotated to...

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. WARNING: This product can expose you to chemicals...

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 plastic base....

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 stamped 304 stainless steel construction. Vent area...

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 attractive cover for ventilation holes while also...

Stainless Steel Drain Cover - 3-1/4" Stamped 304 Stainless SteelWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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.WARNING: This product can expose you to chemicals which...

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

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 included). WARNING: This product...

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 included). Corrosion resistant stamped 304...