SEAFLO Plumbing Vent, model SFPV1-01 White, designed for marine, RV, caravan, and boat plumbing systems. It is used to allow air into plumbing lines to prevent siphoning and backflow, while often allowing for ventilation. Fits plumbing vent pipes up to 2 inches in diameter with a 2.5-inch projection. Brand new in pack. Check out my other items too.
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