Westbrass 1-1/4 in. diameter, 12-Inch Slip Joint Extension Tube. Use to Extend Length of a Drain to P-Trap or Waste Tube to Wall. Slip Joint Nut and Rubber Washer Included, 100 PSI Maximum Working Pressure, 150 Degree Maximum Working Temperature, Solid Brass Construction. Slip joint extension tube with brass nut and rubber washer 1-1/4 in. OD 12 in. length For Designed by Westbrass, the Westbrass 1-1/4 in. OD x 12 in. Slip Joint Extension Tube in Polished Nickel is built for lasting quality and everyday use. Shop at OJCommerce and explore our collection with free shipping on every order.