Forespar MF 841 Vent Cap Assembly [903002] Sailing | Shackles/Rings/Pins Enables more deck space

Enables more deck space

Base Reducer - Pair

Housing Material: Plastic

Black Plastic with Zinc Alloy Lock Cylinder

lower bracket and switch

Forespar MF 841 Vent Cap Assembly [903002] Sailing | Shackles/Rings/Pins Enables more deck spaceMF 841 Vent Cap Assembly 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