Made from polypropylene, this is a quick and easy way to install waste systems incorporating a push-fit ring seal system. Fits most standard size waste pipes (excluding solvent weld waste). An allowance of a 10mm expansion gap on all push-fit joints is required for the expansion of pipes and fittings in each socket of push-fit systems. Requires no solvent welding or tightening. Manufactured to BS EN 1451-1: 2000 / BS 5254.