Designed to circulate warm air more effectively, this accessory helps distribute heat evenly throughout the roommaximizing comfort. Compatible with HearthSense only branded vent-free infrared and blue flame heaters, this fan kit is a simple upgrade that delivers noticeable results. Please refer to the exact model numbers below to ensure proper fit before purchase. Compatible with the following HearthSense vent-free wall heater models: BF30T-B, IR26T-B, and IR16T-B. For use with 20,000 to 30,000 BTU infrared or blue flame HearthSense heaters. Optional accessory to circulate heated air. Easy to install with standard home tools. Requires electricity; standard grounded 3 prong plug.