This EPA Phase II fireplace is certified with powerful non- catalytic combustion heating. The unit includes textured refractories, cast iron log retainers, time delayed air boost system for carefree ignition, efficient air wash system, outside air kit UZI , outside air coupler UZIAD and 350 CFM blower PR-UZY7 . EPA Certified. Includes textured refractories, cast iron log retainers, time delayed air boost system for carefree ignition, efficient air wash system, outside air kit UZI , outside air coupler UZIAD and 350 CFM blower PR-UZY7 . EPA Certified. Features Model # WCT6940WS. 1.3 grams/hr. EPA Phase III Certified and WA State approved. Fuel Type Wood. Spacious 4.0 cubic foot insulated firebox. Steel double doors with heat resistant door handles. Ceramic glass and efficient air wash system. White stacked textured refractory panels. Catalytic combustor for maximum performance. Bypass control for greater airflow during startup. 70% Thermal efficiency and heats up to 2,500 square feet. Heat activated 350 CFM variable speed blower. Optional Forced Air Heating and Gravity Venting Kits. Specifications Overall Dimensions 47 W x 26.13 D x 49.32 H . Framing Dimensions 46.25 W x 27.5 D x 49.32 H .