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. Polypropylene Construction Universal Compression Connection Self-Sealing Ideal for Confined Spaces Prevents Foul Sewer Odours Operates Silently Connection Options to 1 1/4& 1 1/2Thread Smooth Bore Stops Blockages Flexible Installation Polypropylene Construction Universal Compression Connection Self-Sealing Ideal for Confined Spaces Prevents Foul Sewer Odours Operates Silently Connection Options to 1 1/4& 1 1/2Thread Smooth Bore Stops Blockages Flexible Installation