1-1/2 inches in diameter, this trap primer features a chrome-plated brass body that ensures durability and resistance to corrosion. It includes a cleanout and a ground joint elbow with a 1-1/2 NPT outlet for easy installation. The product comes with 1-1/2 slip nuts and washers, along with a reducing washer for 1-1/4 sink tail piece hookup. A stainless steel braided primer hose with 1/2 FIP compression is also included, providing reliable functionality for plumbing applications.