Hongso BK BKT GA3650 GA3700 GA3750 Replacment Fireplace Blower Fan UNIT for Desa, FMI, Vanguard, Vexar, Comfort Flame Glow, Rotom Replacment Fireplace Blower Fan UNITBlower unit only, Power cord is not include. Fit Desa Tech, FMI, Vanguard, Vexar, Comfort Flame, Comfort Glow Fireplaces. Cross Reference Numbers: BK, BKT, GA3650, GA3650B, GA3700, GA3700A, GA3750, GA3750A, GA3650T, GA3650TB, GA3700T, GA3700TA, 103581-01, 103581-02, 103581-03, 103581-04. *NOTE: The "Fits" BRAND and MODEL # Listed are Reference ONLY! Make sure you measure the size of your original blowers and compare with the replacements BEFORE you order. Blower total Length = 15" Width =4" Height = 3 1/2" Flange Opening = 12.5" Motor Type: replacement blower fan unit Insulation Class H (rated to 392F / 200C) Motor RPM: 3000 Airflow in CFM: 160 Ratings: 120V, 60Hz Power Consumption (watts): 45 Rheostat Variable Speed: NO Magnetic Thermostat: NO Material: Aluminum + Galvanized Steel Packaging Materials: Shipping box, Bubble Wrap, Foam Certifications: Motor UL Approved. This upgraded blower fan parts may fit in CFM Continental Heat N Glo Heatilator Lennox Vermont Castings Majestic Monessen Hearth Napoleon Northern Flame Security Quadra-Fire Desa FMI Vanguard Vexar Comfort Flame Glow stove fireplaces. If you're installing a blower for the first time, a blower kit is required. The kit contains the blower, power cord, any mounting hardware, installation instructions, and any accessories available with the kit. Accessories can include rheostat variable speed control and thermostat on/off switch.