Goof Proof Linear Drain by Mark E. Industries Mark E. Industries has introduced a linear drain that can be customized to 6 lengths and offers center drain or left and right offset drain options. The Goof Proof linear drain length can range from 27" to 60" and has a tile-on insert top for receiving matching tile for a sleek, innovative tiled shower. Features It comes complete with all components for linear drain installation It can be used with any waterproofing method, including roll-on, vinyl, and sheet membrane Equipped with slots that can receive the Quick Pitch Shower Floor Drainage Kit for a pitched shower pan It can be installed with or without a curb to create a barrier-free shower Linear drain must be recessed into the subfloor for either wood or concrete applications Multipurpose sealant cartridge is designed for use with the fabric linear drain collar Pipe glue is for gluing all corresponding pieces of the linear drain together and on the drain coupling What's Included? (1) Main Drain Section with Insert (2) End Caps (2) 15-1/2" Extensions with Inserts (2) 9" Extensions with Inserts (1) Drain Flange Assembly with non-threaded Clamping Ring (1) Coupling (1) Hair Trap (1) Insert Removal Tool (1) Disposable 1/16" Square Notched Trowel (1) GPLDC-69" x 15" Linear Drain Collar (1) GPS-2000 Sealant Cartridge (1) GPMPSC 4 oz. Can of PVC/ABS Pipe Glue Installation Instructions and DVD Drain Lengths Width Outer Diameter Inner Diameter(Trough) Outer Diameter Inner Diameter 27-3/4" 26" 5" 3-1/8" 36-7/8" 35" 5" 3-1/8" 43-7/16" 41-7/16" 5" 3-1/8" 46" 44" 5" 3-1/8" 52-1/2" 50-1/2" 5" 3-1/8" 59-1/16" 57-1/16" 5" 3-1/8"