Allows air to enter to break siphon. Does not permit air and odors to escape. Assures clog free anti-siphon protection. If used in exhaust system, overboard venting is required. Hose connection: 1-1/2".

Injection Molded Nylon For 5/8" hose Weight: .05 lb

Stamped 304 stainless Dimensions: 1-5/8" x 1-3/4" Weight: .01 lb

Stamped 304 stainless Dimensions: 2-1/4" x 2-1/8" Weight: .03 lb

Stamped 304 stainless Length: 7" Width: 5-3/4" Weight: .58 lb

Stamped 304 stainless Length: 7-1/2" Width: 6-3/4" Weight: .79 lb

Stamped 304 stainless Diameter: 4" Weight: .16 lb

Stamped 304 stainless Length: 5" Width: 4-5/8" Weight: .35 lb

Stamped 304 stainless Length: 5" Width: 9" Weight: .4 lb

Vent cap assembly for Forespar vented loops. "Duck bill" style. Commonly used in marine toilet or engine cooling systems. Molded from corrosion-proof Marelon. Manufacturer number: 903002 MF-841.

Vented loop assembly. Commonly used in marine toilet or engine cooling systems. A valve at the top of the loop allows air to enter line when system isn't in use, but seals when fluid is present. Molded from corrosion-proof Marelon. Manufacturer number: MF 844 903007. Barb size: 1". Dimensions: 7" X 9". Weight: .8 lb.

Vented loops are anti-siphon safety devices. For use with both manual and electric marine toilets. Plastic construction. Diameter: 3/4". Weight: .2 lb.

Injection molded ABS. Dimensions: 2-13/16" X 3-5/8". Hose / hole size: Up to 3". Color: White. Display packaged.

Perko gas tank vent with swivel elbow. Chrome-plated zinc alloy cowl. Black polymer cap. Removable flame arrestor mesh screen for fuel applications. Weight: .28 lb.

Flush mounted. Stainless steel. Diameter: 5/8".

Solenoid for vented loop (29015). For use with electric toilets. Must be wired in parallel with toilet motor.

Equipped with a one-way duckbill valve. For use in bilge pump installations. Prevents water siphoning from thru hull. Diameter: 1-1/8".

Injection molded ABS Width: 1-7/8" Length: 15-1/2" Color: White.

Injection molded ABS Width: 1-7/8" Length: 15-1/2" Color: Black.

Injection molded ABS. Cutout size: 3-5/8" X 12-1/8". Overall size: 4-3/4" X 13-1/4". Color: Black.

Injection molded ABS. Cutout size: 3-5/8" X 12-1/8". Overall size: 4-3/4" X 13-1/4". Color: White.

Injection molded ABS. Dimensions: 2-13/16" X 3-5/8". Hose / hole size: 3".

Investment cast 316 stainless 5/8" Hose Weight: .27 lb

Investemtn cast 316 stainless 5/8" Hose Length: 2-1/4" Weight: .21 lb

Chrome plated zinc alloy cowl with black plastic base 3" duct threads into neck, hose clamps not required Weight: .75 lb

Chrome plated bronze Removable 30 mesh stainless steel wire screen flame arrestor Hose Size: 3/8" Weight: .3438 lb

Stamped 316 stainless Cutout Size: 3-5/8" x 12" Louvers: 5 Weight: 1.03 lbs

Chrome plated pressure cast bronze with removable Monel wire 30 mesh screening Hole size: 3/8".

Injection molded ABS. Dimensions: 3-9/16" X 4-15/16". Hose / hole size: Up to 4". Color: White.

Chrome plated zinc alloy.
Anodized aluminum grill-type screen.

Vacuum formed ABS Dimensions: 12-1/4" x 3-5/8" Hose Size: 4" Mounting: Left Weight: .22 lb

Perko gas tank vent. Chrome-plated zinc alloy cowl. Black polymer cap. Removable flame arrestor mesh screen for fuel applications. Weight: .23 lb.

Vacuum formed ABS Dimensions: 12-1/4" x 3-5/8" Hose Size: 4" Mounting: Right Weight: .26 lb

Vacuum formed ABS Dimensions: 12-1/4" x 3-5/8" Hose Size: 3" Mounting: Left Weight: .23 lb

Stamped 316 stainless Cutout Size: 3-5/8" x 19-7/8" Louvers: 10 Weight: 1.52 lbs

Injection-molded polypropylene plastic. Designed to fit a louvered ventilator. Dimensions: 15-1/2" X 2". Hose size: 3".