Protect your heater! Prevent contaminant buildup from causing your Portable Buddy or Big Buddy heater to malfunction with this Mr. Heater Universal Propane Fuel Filter. Recommended for any propane tank 20 lbs. or larger, this filter protects your heater from harm, so you can use it for years to come...

The heater fuel filter is intended for use with Mr. Heaters Buddy and Big Buddy Heaters when using hose connection and leaving gas in hose under pressure. This product allows you to keep your heater clean and free of contaminants while easily attaching directly to your heater.