Oatey® 102 Series Solvent Weld Shower Drain With Receptor Base is for use with preformed shower stall bases. The drain receptor base integrates the body locknut, which allows for easier installation. Install the complete assembly to the shower base first and solvent weld assembly into place as base is set; or, solvent weld the receptor, set the shower base and then thread the barrel in from the top. The drain top accommodates Oatey 4-1/4 in. Universal Snap-Tite Strainers. Oatey products have earned the trust of plumbing professionals for over 100 years.