The Oatey® 130 Series PVC Low-Profile Shower Drain is designed for use with tile or marble shower bases where a shower pan liner membrane is required. The low profile design allows for installation in tight spaces. The drain body solvent welds over 2 in. or inside 3 in. Schedule 40 DWV pipe. The reversible clamping collar is secured with four stainless steel bolts into brass inserts. The 2 in. IPS-threaded strainer barrel is adjustable to allow for easy height adjustment. Weep holes in the drain assembly allow drainage from the pan liner. Drain barrel accommodates 4-1/4 in. Dia strainer, not included. Oatey products have earned the trust of plumbing professionals for over 100 years.