Uni-Green 4-1/4 square shower floor drain

ABS Construction Drain Base for Shower Drains – Connecting between shower drains and drain pipes Grooved collar works as weep holes while the grooved flange adapter provides a strong seal Tailpiece for 2″ drains and outside tailpiece 3″ drains Universal Thread: 2″ FIP Thread clamping collar, and 2″ MIP threaded grating housing. CUPC approved Tile-In Shower Pan Drain Strainer Matt Black: 4-1/4 Stainless Steel Top strainer. Brass female thread inserts in flange for collar screws. Stainless steel 304 screws for tightening, anti-rust. 2″ Sch 40 Hub, solvent weld conforms to ASTM D 2665 Standard. Code Approved: cUPC approved. 2″ FIP thread clamping collar, 2″ MIP thread grating housing, which can be adapted to many other drain strainers on market.