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HepVo 40mm Self Sealing Waste valve
CV1/A
Waterless Trap great for motorhomes also
More info
The HepVo Waterless Valve replaces the old P Trap with a short tube and internal diaphragm that prevents backflow of air and water into showers and sinks.
In fact, the HepVo Waterless Waste Valve is so efficient at keeping odors away that the P trap is simply no longer necessary in Motorhome. Reinstalling your drainage systems with HepVo Valves will you give you back more space, eliminate foul odors, and protect your Motorhome from mold, mildew and the need for water in your drainage systems.