Forespar MF 842 Vented Loop - 3/4" [903001] Brand_Blue Sea Systems Series 20 Ball Bearing Block

Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

UPC: 753759079239

Clear Coats

Includes sleek Whale deck plate with cover

Forespar MF 842 Vented Loop - 3/4" [903001] Brand_Blue Sea Systems Series 20 Ball Bearing BlockMF 842 Vented Loop 3 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