This shower drain base adapter is designed to facilitate the installation of Kingston Brass’s line of decorative shower drains, it features an adjustable adapter to allow the drain to be set at the perfect height, it can also be used in conjunction with any pvc shower liner. Details Specifications & Warranty Shipping& Returns Resources Shop Related ABS construction Overall dimensions: (L)6-1/2″ x (W)6-1/2″ x (H)2-3/4″ Includes flange and adaptor 2-11 1/2 NPSM opening Made to fit Kingston Brass drains Accommodates shower pan membranes such a schlutter Systems, Oatey and others Easy installation Specifications Parts Diagram 1 Year Warranty Free Shipping and Free Returns* for orders within the Continental US Shipping Returns See our Blog In the Trade? | Wholesale Registration Related & Accessories Safety Grab Bars Shower Drains