Forespar MF 839 Vented Loop - 1-1/4" [903011] Engine Parts & Service | Fuel Tanks Box Dimensions: 4"H x 7"W

Box Dimensions: 4"H x 7"W x 11"L WT: 1

This greatly simplifies the installation of new systems

and other onboard electronics from a battery bank

Efficiency: > 90% at nom

Waterproof Polycarbonate Storage Box - 3500 Size - Orange/Clear

Forespar MF 839 Vented Loop - 1-1/4" [903011] Engine Parts & Service | Fuel Tanks Box Dimensions: 4"H x 7"WMF 839 Vented Loop 1 1 4" Installing one of our vented loops will ensure that fluids will not siphon from tank to tank. Vented loops are commonly used in the marine toilet system and engine cooling system. The simple valve system incorporated in the top of the loop allows air to enter the line when not in use, yet effectively seals as water or other fluid passes through. Molded in Marelon, neither vent nor loop will corrode. The duckbill one way valve