1 Piece, Design Molded Out Of PVC/ABS Plastic, Trap/Drain, 3.75" Deep Sump Bowl, Solvent Welds Over 2" Schedule 40 DWV Pipe, Internal 1.5"-14 NPT Clean Out Plug Installed, Deep P-Trap Prevents Evaporation, Reinforced Polypropylene Strainer, Optional Backwater Valve Device Prevents Sewage Backup, Ideal For Garages, Basements & Utility Room Installations.