Mr. Heater 18000 BTU Vent Free Propane Indoor/Outdoor Heater (2 Pack)

Make your favorite spaces cozy and comfortable with the indoor or outdoor heater that warms areas of up to 500 square feet Features 18,000 BTU per hour and runs on liquid propane with a battery-powered electronic ignition to make powering the heater quick and easy Adjustable built-in thermostat allows you to customize the heater to your desired temperature Oxygen depletion sensor (ODS) automatically shuts the heater off if oxygen levels in the air get too low and a high-limit safety shutoff Includes legs, mounting bracks, and fasteners to permanently mount the wall or securely fasten the heater to the floor BTUs: 18,000 BTUs Heating area: 500 square feet Color: White Dimensions (L x W x H): 23.75 x 11.25 x 27 inches Weight: 24.75 pounds Manufacturer warranty: 1-year warranty Quantity: 2