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: 3000, Airflow in C. High Quality Sealed Ball Bearing Motor – Powerful, Quiet, Superbly Balanced, Energy Efficient and Long Lasting. Benefits: Helps reduce costly energy bills, Heats large rooms efficiently, Installs quickly and easily, Affordable. The GFK-160 fan kit is a dual blower kit designed to fit a number of fireplaces, including models from Heat N Glo, Quadra-Fire, Heatilator, Hearth & Home, GTI, Superior Gas Fireplaces. See BRAND and MODEL # Listed in Below Product Descriptions, if your fireplace isn’t listed, please keep free to contact with us, we will try our best to help you find a fan kit or replacement blower. Please be sure to compare our dimensions with your fireplace’s available clearance and dimensions BEFORE ordering.