Mr. Heater F299720 Vent Free Blue Flame Propane Heater, 20.000 BTU's Caliper the level comes with a

the level comes with a manufacturer's limited lifetime warranty

4 packs include knobs

and Flame Retardant

Flexible strip with integral top lip and footed bottom

Fits all spline rotary hammers

Mr. Heater F299720 Vent Free Blue Flame Propane Heater, 20.000 BTU's Caliper the level comes with aEquipped with a multi output valve for easy temperature regulation and a convenient Piezo ignition built right into the rotation of the knob for one handed ignition. It can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. With a factory standard Oxygen Depletion Sensor (ODS), rest assured this heater will provide you with years of comfortable and safe heat. Highlights: 20,000 BTU per