ABS P-trap that pairs a swivel union with a cleanout plug — the most service-friendly trap in the line. The union nut lets you break the trap open and re-seat it for alignment or removal without cutting pipe, and the threaded cleanout at the base clears a clog or retrieves a dropped item without even loosening the union. The U-bend holds a water seal that blocks sewer gas from rising through the fixture. Both ends are hub sockets sized for Schedule 40 IPS ABS, solvent-welded for a rigid joint. It's a LESSO America ABS DWV fitting conforming to ASTM D2661 and CSA B181.1 with NSF/ANSI 14 and cUPC listings — the marks an inspector checks on a residential or light-commercial rough-in across the GTA. Stocked in 1½" for standard sink and lavatory drains. DWV service only; test hydrostatically, never with compressed air or gas.