Step into a world where sanitation meets innovation with the Hepvo Waterless Sanitary Waste Valve. Designed to keep foul odours at bay, its unique self-sealing mechanism ensures a hassle-free experience and lets you enjoy your caravan or RV, free from the smells of its waste management system. From blocking waste water re-entry to enhancing drainage efficiency, Hepvo has got your RV sanitation needs covered with this innovative and versatile valve. Upgrade your sewage system today and enjoy a more pleasant travelling experience. 40mm size