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.
|Accommodations||For 1-1/2" Line|
|For Use With||Marine Head|
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Comments about Hose Vented Loop, 1 1/2" ID Hose:
It's used as an anti siphon device for the exhaust system on my diesel engine. The valve that causes the anti siphon effect as it goes up and down needs replacement regularly as the rubber seal around it degrades over time. I've had to replace mine twice in three years.