40mm x 75mm Seal Wash Mac Half Trap CW Adaptor. Polypipe’s Trap ranges provide superior flexibility and ease of installation. With our ongoing investment, our new Traps range includes Fit-Rite technology for extra peace of mind, and BioCote® technology; reducing mould, fungus and odours. An improved compression range and the introduction of a 50mm seal bath trap, makes installation in confined spaces easier than ever. And for added confidence, we are the only manufacturer with a Traps range that’s Kitemark™ Accredited.