This Duofit In-Wall Toilet Tank System with the Dual-Max Flushing System is designed for use with the RP and SP wall-hung toilets. Offers a sleek, modern look with a concealed tank hidden behind the wall. Compatible with CT447CFG, RPTM, CT449CFG, SPTM, CT437FG, MHTM wall-mount toilet bowls, Wall-hung toilet, THU343 2" x 4" outlet HDPE & PVC, THU335 2" x 6" outlet cast iron, and THU807 WASHLET connection kits, and YT920, YT930, YT970, and YT980 push plate actuators.

• 1.28/0.9 gpf
• Dual-Max flushing system
• Adjustable 15" - 19" mounting height
• Supports up to 880 lbs
• Commercial 2" x 6" or optional residential installation with 2" x 4" wall studs with waste outlet kit
• One-piece blow-molded, insulated polyethylene tank to prevent leaks and sweating
• 2" x 6" polyethylene outlet included
• Copper supply line
• Toilet bowl and push plate are sold separately.