![Indirect Fired 500k BTU Portable Heater System with Power Meter and Fan Bypass Switch(OIL/DIESEL) 20 amp - IDH500QRM-OIL from FROST FIGHTER | Acme Tools Indirect Fired 500k BTU Portable Heater System with Power Meter and Fan Bypass Switch(OIL/DIESEL) 20 amp - IDH500QRM-OIL from FROST FIGHTER | Acme Tools](https://www.acmetools.com/on/demandware.static/-/Sites-acme-catalog-m-en/default/dw70d4b383/images/images/catalog/product/i/IDF500QR-OIL.jpg)
Indirect Fired 500k BTU Portable Heater System with Power Meter and Fan Bypass Switch(OIL/DIESEL) 20 amp - IDH500QRM-OIL from FROST FIGHTER | Acme Tools
![2015 (unverified) Frost Fighter IDF-500 500,000 BTU Space Heater in Fairmont, West Virginia, United States (IronPlanet Item #4850740) 2015 (unverified) Frost Fighter IDF-500 500,000 BTU Space Heater in Fairmont, West Virginia, United States (IronPlanet Item #4850740)](https://cdn.ironpla.net/i/5525/800/ad74ebea-b455-496c-b8b1-a5022de41582.jpg)
2015 (unverified) Frost Fighter IDF-500 500,000 BTU Space Heater in Fairmont, West Virginia, United States (IronPlanet Item #4850740)
![Frost Fighter OHV-500 IDF Diesel Construction Mobile Industrial Heater - Platinum Truck and Equipment Frost Fighter OHV-500 IDF Diesel Construction Mobile Industrial Heater - Platinum Truck and Equipment](https://www.platinumtruckandequipment.com/wp-content/uploads/2020/10/121566769_372615280770556_7905783722544913094_n-scaled.jpg)