Fixed Length: Pre-pitched channel with set length with center outlet location Waterproofing: PVC/Vinyl liner, Lead/copper pan, Hot mop, Rubber liner, Fiberglass 12 gauge, 304 stainless steel tile-in top grate with stainless steel channel Accepts flooring material up to 3/4″ in thickness Overall width: 2-7/8″, Min. height above waterproofing: 1-11/16″ Capacity: 9 gallons per minute Requires 2″ clamp down floor drain with 2″ throat (strainer size). Not included in complete kit.