Viva Bathroom Kitchen Basin Sink 40 mm EASI-FLO Swivel S Trap WTS4076. 1½" Swivel 'S' Trap A high quality polypropylene 40mm swivel S trap with a 75mm seal. Trap uses easy grip compression nuts, tapered rubber seal, rubber 'O' ring and a slip ring to give a secure water tight seal. All Magna traps have a universal outlet suitable for use with push-fit or solvent weld waste pipes. The water seal is the height of water stored in a trap to prevent odours from drainage. Suitable for 1½" Pipe 75mm Water Seal Universal Outlet Suitable for Plastic, Copper & Lead Pipe Manufactured In High Quality Polypropylene