Forespar MF 844 Vented loop 1 in. Bete-Fleming Designed for high strength

Designed for high strength

Track features internal slide bolts

responsiveness and grip

Built-in Compensators

Impact protection for sailing

Forespar MF 844 Vented loop 1 in. Bete-Fleming Designed for high strengthInstalling 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 is designed to seal