Forespar Vented Loop 3/4" MF-842 DC Electrical Tinned copper gives the least

Tinned copper gives the least electrical resistance but the most corrosion protection

Forms watertight

Developed by BoatLIFE® (The Polysulfide Experts) to promote maximum adhesion with polysulfide sealants

5” (140mm)

Forespar Vented Loop 3/4" MF-842 DC Electrical Tinned copper gives the leastMF 842 Vented Loop . 75" 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 into the top of the loop allows air to enter the line when not in use, yet effectively seals as water and other fluids pass through. molded in Marelon, neither loop nor vent will corrode.