Hygienic, self-sealing waste valve. Can be installed horizontally and vertically. Ideal for confined spaces such as baths and shower trays. . Prevents foul sewer air from entering a building and will not dry out as does not rely on water to create seal....

Hygienic, self-sealing waste valve. Can be installed horizontally and vertically. Ideal for confined spaces such as baths and shower trays. . Prevents foul sewer air from entering a building and will not dry out as does not rely on water to create seal....