New Comfort Glow Blower for Vent Free Heaters 20-6127 Comfort Glow Blower for Vent Free Heaters 20-6127 This easy to install accessory improves heat distribution from your vent free gas space heater. This blower fits Kozy World and Comfort Glow gas space heater models KWD154, KWD215, KWD216,... $38.00 Add to Cart Add to Wish list Compare