This Solid Brass Drain Kit is for use with the Empervious Shower System. Each Empervious Shower Pan already includes this Drain and a Stainless Steel Drain Grate. This is available if a replacement is needed. The kit includes Includes: Solid Brass Drain Body, Solid Brass Caulking Nut with tightening insert key, Rubber Caulking Gasket, Rubber Gasket, Fiber Gasket, and a Solid Brass Locking Nut