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This fuel filter is highly recommended when purchasing the Mr. Heater Portable Buddy and either the F273701 or F273702 Buddy hoses.

User Reviews about Mr. Heater Fuel Filter for Portable Buddy and Big Buddy Heaters #F273699

since we got the filter it has made the life of our Mr heater and Big Buddy last longer this isn't the first filter we have bought. They are great. -- Mr Heater Filter

I love this filter, someday in a emergency, I'll have to use it, I'll figure out then how to break into the packaging. right now its a great display case. -- got gas? have filter.

I bought the Mr. Heater Hose with a regulator and quick disconnect fitting for the Big Buddy Heater. When it arrived, I discovered that I could not connect the fuel filter to the quick disconnect fitting. I called Mr. Heater, and they informed me that I didn't need the fuel filter if I was using a hose with an attached regulator. It would have been nice if Amazon had indicated this fact when I purchased the filter. But, none of the specifications for the product demonstrated this redundency. If you buy the hose with the regulator, then you don't need this filter. -- Make sure you need this filter before you buy

I camp out all year long. I purchased a Mr Heater Portable Buddy heater to heat my tent/quad trailer this last year. The manufacturer recommended using the filter when using bulk propane tanks to fuel the heater. It worked so well on my heater (no fuel related problems in the last 12 months) that I also installed one on my Coleman two burner stove which I have hooked to a 20 lb tank also. For the small cost, it really saves you a lot of problems with propane contaminents and maintanence costs. -- Saves Your Valuable Equipment