Linear Shower Drains, Invisible Slim Drain Design, Stainless Steel Luxurious Upscale Drain by Serene Drains This Invisible Drain can be faced with the same tile you are installing on the shower floor to hide the drain under the tileDrain Includes: 100% stainless steel channel body & grate, puller key, waterproofing membrane sheet around the drain flange (not required but included), Installation Instruction.Approximate Dimensions:Length 15 3/4" x 2 3/4" (400mm) Intake sq. in: 12.38Length 23 1/2" x 2 3/4" (600mm) Intake sq. in: 14.96Length 30" x 2 3/4" (762mm) Intake sq. in: 17.62Length 35 3/8" x 2 3/4" (762mm) Intake sq. in: 20.03Length 39 3/8" x 2 3/4" (762mm) Intake sq. in: 22.12Length 47 1/4" x 2 3/4" (762mm) Intake sq. in: 26.68Length 59" x 2 3/4" (762mm) Intake sq. in: 31.67Perfect for:Wheelchair access (ADA complaint) & barrier-free showers (walk in floor plans).Applications: Bathroom, kitchen, pool, balconies, hotel rooms, gym, spa etc.Features:Electro polished finish. Bodies are fully welded and leak tested prior to dispatch.2 Inch diameter central vertical outlet, designed to be installed into any 2" shower drain flange.Compatible with tiles up to 10mm depth (14mm lip).Pre-Slope channel. Channel width: 2 3/4" (70 mm).Serene Drains are sized to match standard 1/2", 1", 2, and 4" tile without cutting.Drain grade is 16 gauge 304 stainless steel (The Wedge design grade is 6 gauge 304 stainless steel).Flow rate: at entrance of shower - 6.3GPM (0.4 l/s); against the wall - 9.5GPM (0.6 l/s).Flange body edge designed for use with all types of waterproofing: hot mop, painted or liquid membranes, sheet membrane, vinyl waterproofing etc.