The S31105 Fireplace Blower Fan fits GHP Group, Monessen / Majestic (MHSC Brands), Majestic Dutchwest Windsor, CFM US Century Plate Steel Freestanding Wood Stove Fireplace. The Stove Blower includes 4 Mounting Hardware Screws and 1 Heat Gasket. Overall Blower Length with guard: 9 1/2″, Height: 5 1/4″, Depth 3 3/4. Blower size is 9″ long and 5 1/4″ tall. There are 4 holes to mount. They are 8″ apart left to right, and 4 3/4″ apart top to bottom. This optional variable speed blower can be mounted to the back of the stove using predrilled holes to improve heat circulation. Manual variable speed switch. 110V to 120V with 6 cord. The S31105 blower fan fits the models including (not completed):? MHSC Windsor Series plate stoves: WR1000L02, WR1500L02, WR2000L02, WR247001, WR244, WR270007, WR300007. CFM: S244E, FW247001, S274E, FW27007, FW300007, CJW1000L02, CJW2000L02;? GHP: HWS-224172MH-B, HWS-224172MH-BCA, HWS-227202, HWS-230292, LWS-127201-B, LWS-127201-BCA, LWS-130291-B, LWS-130291-BCA. Make your wood burning stove even more efficient with this speed variable blower fan. When you add a blower to your wood burning steel stove, heated air from the stove will be circulated better through out your room. And a more efficient wood burning stove means that you will spend less time going outside in the cold for more firewood. INFINITELY ADJUSTABLE – Variable heat control offers the most customizable settings, you can fine tune the speed and blower noise level where you want it. The blower fan is compatible with GHP Group, Monessen / Majestic (MHSC Brands), Majestic Dutchwest Windsor, CFM US Century Plate Steel Freestanding Wood Stove Fireplaces. Variable speed operation allows adjustable heat distribution. The Wood Stove Fireplace blower fan is NOT thermostatically controlled, it is a manual variable speed switch. The blower speed is manually controlled by rotating the speed control knob until the desired speed is achieved. When turned on the first setting will be LOW. HIGH setting may be obtained by obtained by rotating the speed control knob clockwise. MHSC Windsor Series Plate Stoves Models: WR1000L02, WR1500L02, WR2000L02, WR247001, WR244, WR270007, WR300007. CFM Models: S244E, FW247001, S274E, FW27007, FW300007, CJW1000L02, CJW2000L02. GHP Models: HWS-224172MH-B, HWS-224172MH-BCA, HWS-227202, HWS-230292, LWS-127201-B, LWS-127201-BCA, LWS-130291-B, LWS-130291-BCA. Thank You for Shopping!