Floplast WP020 40mm White Polypropylene Pipe 3m. Part of the Floplast Push-Fit Waste System, made of polypropylene this quick and easy to install system incorporates a push-fit ring seal system. Manufactured to BS EN 1451-1:2000/BS 5254. No solvent welding required. For ease of installation use silicone, SL400 Spray/SG100 Tub/SG800 Gel.