Mr. Heater Propane Refill Kit for Fuel Keg 1 lb. / 16 oz. Refillable Propane Tank

Fairly easy to use. I purchased several and have no issues with them.Works well:Fills fast, no waste.Efficiency:About 3 refills pays for the tank and even cheaper after that.Safety features:Safer that trying to refill plain tanks by far.

This kit works exactly as promised. Easy to use, solid build, and it paid for itself after just a couple refills. I’ve used it to refill 1 lb bottles from a 20 lb tank with no issues.The plastic stand helps keep everything stable while refilling, and the valve controls feel secure. No leaks, no mess. Just follow basic safety steps and you’re good to go.If you use propane regularly (grilling, camping, tailgating), this thing is a no-brainer.

Easy to use and works well! Nice being able to just refill our little tanks off of our big ones rather than buys new ones

ONLY usable with the "Fuel Keg" bottles due to the relief valve used, but well worth the price and safer. The only reason I made it 4 stars instead of 5 is that limitation. Buy it !

Since our state is getting rid of the old small green camping propane bottles, I bought this. I'd been refilling the green ones for a few years, but it was a bear to get to the schrader valve to let the air out. This solves that problem. It's easy to operate and I can fill lots of bottles quickly.

Love it. Anyone using 16-oz propane tanks should be using this setup rather than contributing to the landfill with a bunch of used up cylinders. Really Easy... only takes you 2 minutes to fill a tank and costs about a dollar given current propane cylinder refill pricing in the USA. Saves the environment and really easy to use.

I've only used it once, to fill 3 Fuel Kegs, but it worked as advertised. I filled from a full 20 lb tank. It filled each of my three 1 lb Fuel Kegs in about 1 min and 17 sec. To get a sense for how much propane is lost from the vent valve (which is kept open during the fill, per instructions), I weighed my 20 lb tank before and after with a digital luggage scale (which I've found to be accurate in that it matched the airline scale). Filling 3 tanks used about 3.3 lbs from the 20 lb tank (so about 1.1 lb to fill a keg). Weighing the tank a 2nd time showed 3.2 lbs used (so the venting loss might be less than 0.1 lbs per Fuel Keg).I weighed my 3 Fuel Kegs before and after filling. They all weighed between 1.9 and 2 lbs empty. The first one I filled weighed 0.9 lbs more after filling (but I stopped filling within a couple seconds after the white mist appeared from the vent). The second and third kegs weighed exactly 1 lb heavier after filling (I filled them a bit longer, waiting for the mist to be more continuous before ending the fill).After removing the Fuel Kegs from the fill apparatus , I made sure each retained its plastic sleeve and o-ring (as other reviews have noted that these can get stuck to the filll nozzle). I also used a brass cap with rubber seal (purchased separately) instead of the pastic cap that comes with the fuel keg. I figure this is an added safe guard in case the Fuel Keg leaks.I tested one of the filled kegs in a "Big Buddy" heater. It fit just fine (allowing the heater door to close) and worked (on low, medium, and high).I got this setup for emergency prep, since I have several of the Buddy indoor-safe propane heaters (in case we can't run our furnace). So I likely won't be able to comment on how it holds up under frequent use, but I'm very satisfied for my purposes. The Fuel Keg seems sturdy and well-constructed.

Very easy to use. Make sure you do this outside or in a ventilated area. It’s way cheaper to refill the cant than to buy them at the store. Plus you make a lot less trash. I have a big buddy heater and I go thought a lot of propane in the winter time.