Forespar MF 847 Vented Loop - 1-1/8" x45to90 Suggested mount: Shakespeare Style 409-R

Suggested mount: Shakespeare Style 409-R or 410-R Mounting Kit

By simply moving a lever up or down

12 and 24 Hour Time and Date

energy efficient

Forespar MF 847 Vented Loop - 1-1/8" x45to90 Suggested mount: Shakespeare Style 409-RMF 847 Vented Loop 1 1 8" 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