Forespar MF 841 Vent Cap Assembly [903002] 5 watt Material - PU coated 840D

Material - PU coated 840D nylon

IP66 SPRING MOUNT

and elimination of common problems like porpoising and chine walking

and more reflective finish

Forespar MF 841 Vent Cap Assembly [903002] 5 watt Material - PU coated 840DMF 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