Valterra A01-2012VP Waste Water Shower Drain Strainer – 2-1/2″This durable metal shower strainer has a simple design for a classic appearance. Fits up to a 1-3/4″ drain opening and includes the strainer, grid, lock nut and foam gasket.Fits up to a 1-3/4″ drain openingConstructed of durable plasticFits 1-1/2″ P-TrapsAdditional InfoCompatibility1-3/4″ Drain OpeningFlange Diameter2-1/2″MaterialMetal