The wavin hepvo bv1 wh self sealing trap delivers hygienic, space-efficient drainage control engineered to prevent foul sewage odours from entering interior environments. This 32mm waterless trap features advanced self-sealing valve technology that eliminates traditional water-dependent sealing methods. The slimline profile enables installation in confined spaces where conventional traps cannot fit, including direct mounting beneath washbasins to maximise usable storage. The waterless design removes the risk of trap dry-out in infrequently used applications. The self-sealing valve mechanism provides reliable protection against sewer gas ingress, maintaining air quality across residential, commercial and technical installations. Finished in white for discreet integration with standard plumbing systems. Features & benefits: hygienic self-sealing valve technology prevents foul sewage odours entering buildings. Waterless trap design eliminates dry-out issues in low-use applications. Slimline profile ideal for confined space installations and compact environments. Space-saving design fits under washbasins to free up valuable storage areas. Suitable for residential bathrooms, commercial washrooms, and technical installations requiring reliable odour control. Size: 32mm 1 1 4 . Colour: white.