ProCom Fireplace Blower Air Circulation Easy Install Thermostatically Controlled. Blower will help to circulate heat 75% better. Works with ProCom product only. For use with ProCom model numbers FBD28T and FBD32RT. For use with models FBD28TCC-M-HC, FBD28TCC-M-MO, FBD28T, FBD28RT, PC32VFC, and PC36VFC.