ITD35 OSB ABS Island Tub Drain Testable Rough-in for Freestanding Tubs Install a Freestanding bath tub in minutes with the Island Tub Drain. No muss, no fuss, no kidding.Newly redesigned Asymmetrical Deck Flange makes installation in tight spaces easierAllows for freestanding Tub location to be defined at rough-inDesigned to be installed in a 8 in (1-1/2 in outlet) or 10 in (2 in outlet recommended) joist spaceAllows for freestanding Tub to be installed over finished floorBuilt-in Snap-off Test Cap allows for water/air/smoke testingNOTE: Island Tub Drain IS NOT FOR USE with liquid applied or sheet membranesNOTE: Island Tub Drain MUST BE INSTALLED in a dry area with no potential of water contact Features : Snap-off Test Cap allows for water/air/smoke testing (Rated to 30psi)18 Gauge Epoxy coated Asymmetrical Metal Deck Plate with holes to lock in ThinsetITD35 is a Freestanding Tub Rough-in (install before tile installation)Designed to be installed in a 8 in / 10 in joist space with 1-1/2 in / 2 in P-Trap Includes :2 Brass Tailpieces (Fine Thread and Flanged)ABS Adapter Kit (attaches ITD35 to ABS Bath Waste)Island Drain assemblyMortar/Tile guardCutting Template