Anti-Siphon Fill Valve Type 380; Impact Resistant High Density Polyethylene (Hdpe) Tank, Insulated to Prevent Condensation; 16-Gauge, Powder-Coated, Structural-Steel Tubing Rated to 880 Pound (400 Kg) without Damage to Finished Wall or Carrier Unit; Small Inspection Opening for Omega Flush Actuator Plates ; Watersense® Certified; ADA Compliant; Lifetime Limited Warranty 19-3/4" x 47-1/4 to 55", 1.6/0.8 GPF, Carrier Frame with Concealed Tank/Installation and Rough-In Material for Wall Hung Toilet Carrier