Keeney’s P-traps has the contractor in mind so you have enough parts on hand to get the job done. Each P-trap features a 1-1/2-in or 1-1/4-in inlet with included reducing washers and a 1-1/2-in outlet for kitchen or bathroom applications. They include marvel trap adapters to connect to 1-1/2-in Schedule 40 stub out and leak-free TPR washers that eliminate call backs. Constructed of durable white polypropylene and designed for slip joint connection, these P-traps offer easy installation at the work site. All necessary nuts and washers are included. You can install with confidence knowing Keeney stands by this product.