The Dyna-Glo HA18R Portable Heater 18 .000 BTU Propane (LP) Recreational Radiant Heater provides great heat that you can take with you almost anywhere. With its durable styling . the Portable is a great choice for heat in outdoor and emergency indoor situations. This larger Portable Heater can utilize two disposable 1 lb. propane cylinders – making it completely portable and able to be used inside in emergency situations. When outdoors . you have the extra option of hooking up the Portable Heat Around heater to a 20 lb. refillable tank with the optional extension hose. The convenient carrying handle will allow you to easily move the heater to any location. 2 heat settings on this larger unit provide up to a powerful 18 .000 BTU’s per hour.