Groco Vented Loop 1-1/2 in. w/Mounting Hardware Moeller Sea-Dog Line S/S Lifeline Stanchion

Sea-Dog Line S/S Lifeline Stanchion 4° Rectangular Base 1"

non-corrosive Zytel valves and handles

and can be used above or below the waterline

Guaranteed stronger than wire rope

Groco Vented Loop 1-1/2 in. w/Mounting Hardware Moeller Sea-Dog Line S/S Lifeline StanchionHVL SERIES VENTED LOOP Allows air to enter to break siphon, but does not permit air and odors to escape. Cap is threaded 1 2 NPT to accept a barb fitting if you wish to vent overboard. Overboard venting is required if HVL series is used in an exhaust system. HVL series vented loops assure clog free anti siphon protection for sanitation or engine exhaust systems. The oversized vent valve can easily be removed for inspection or cleaning without tools.