Specifications of The GFK-160A Fireplace Blower Fan Kit? – Length x Width x Height: 12 13/16″ x 4 5/16″ x 4 5/16″, Air discharge length: 4.75″ (each blower), Motor Bearing Type: Ball, Outboard Bearing Type: Ball, Insulation: Class H (rated to 392°F), Motor RPM: 2700, Airflow in C. M: 160, Volts: 120, Frequency: 60 Hz, Thermostat: Yes, Thermostat Type: Magnetic, Thermostat Temperature: 120° / 90°, Rheostat Variable Speed: Yes, Power Cord Length: 83, Power Cord Type: 3-prong. 100% Ball Bearing Blower? – The fab-1600 fireplace blower kit comes standard with an wonderfully balanced, powerful and quiet 180 CFM blower. It’s roller bearing motor is energy efficient and will absolutely improve the heating efficiency of your fireplace. Reduces Noise and Installs Easily? – This gfk-160 fireplace blower kit also comes with rubber mounting feet which to reduce noise and vibration. Adjustable Fan Speeds, Turns On/Off Automatically? – In addition to having an excellent quality blower, the gfk 160a blower kit comes with a full range variable speed rheostat with on/off position providing convenient control of the blower’s speed and noise. The gfk 160 blower kit also includes an automatic thermostat that is magnetically attached to the underside of your fireplace. The thermostat will turn your blower on and off as the fireplace heats up and cools down. Does It Fit Your Fireplace? – Please see our listed Models in below descriptions.