Features and Benefits:�Thermostatically controlled, LED read out for the Room and Set temperatures., Replaceable external fuel filter, Odor free , Nearly silentWith this new addition to Mr. Heater's line of Radiant Heaters, we combine the comfort of forced air convection heat with silence of Mr. Heater's Quiet Burner Technology. The result is a heater that works quietly and effectively to bring heat to your jobsite. Equipped with an on-board thermostat and all the latest safety features you can feel safe and comfortable at the same time.