Fuel Canister Refill Adapter Isobutane/Butane Refill Adapter Lindal Valve Canister Shifter Gas Saver Plus Camping Stove Adapter With Air Vent Function

This product does what it's supposed to and very easily! Such a life saver to not create so much waste in gas cans and it means that I can keep re using smaller gas cans

This works well to combine partial fuel canisters. If you use them for car camping or similar, probably not worth the effort to combine partials - just carry extra. But when I’m backpacking, weight and space in my pack are a premium, so combining them is great to minimize carrying extras.This unit worked well. The knob feels kinda flimsy, so be gentle and don’t force it. I put the receiving can in the freezer and warmed up the donating can on a heating register. A bowl of warm water would work as well. Worked quickly and all the isobutane was transferred.

I like it. Get the destination can cold and filler-up! A bit heavier than expected but because it’s made well & solid. Would recommend

Does what it says it will do. Be sure to know the weight (in grams) of a full can in the same size to prevent over filling

After using a couple different products off amazon to try to fill my small 4oz Isobutane canisters with butane fuel, this one finally worked.I used the Z11 + the Z15 to fill my canisters. Used the cheap butane GasOne butane cans to fill my isopropane canisters and it worked great.Link to the butane I was using:https://www.amazon.com/gp/product/B001D7FYCI/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1To fill these:https://www.amazon.com/gp/product/B086R5GRG2/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1Like I said, I tried several products and this one finally worked. I have not tried refilling smaller isobutane canisters from larger ones, but it seems to me overall this product is great - z11 + z15 worked great.As for the instructions not being in english... if you can't figure it out you probably shouldn't be around combustible materials.

Great little tool. No issues refilling my small MSR isobutane can using the larger size can. I stopped a few times to check the weight vs a new can. I did put the empty can in a bowl of ice and the full can was at room temperature. This should save me a some money over the long run. Easy to use. I would have liked if the handle flipped around so that it sat nicely around the valve. But that's my only complaint. Would make the package a bit more compact.

This has two ports that are standard for iso-butane cannisters used with most smaller backpacking stoves as well as some small lanterns. Instructions are in Chinese only, but the graphics on the unit are fairly self-explanatory. The unit works fine, but is nearly twice the size I'd expected. I'd been thinking it was roughly the size of the valve portion of a butane stove, but you can see from the comparison photo that it's much larger. The two red caps are plastic screw-ins that protect the couplings from damage or debris that might impede the flow of gas. Recommended if you want to move gas from a cheaper source to a more expensive or more convenient cannister. You'll need the required adaptor if you're using anything other than cannisters with the half-inch male external-threaded connector.

Excellent advice, able to refill all of my weekend canisters with a bulk sized canister from a big box store. Zero issues, follow the directions. Five stars

This is an extremely easy and super handy device. We were able to quickly empty several mostly empty canisters that otherwise would have been thrown out. HERE IS THE KEY: PUT THE BOTTOM CANISTER (the one you are filling) in the freezer for 15-20 minutes and the leave the upper canister at room temperature.

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When I first saw this I thought it was neat but wondered why anyone would use it. Just came back from a camping trip with three isobutane canisters, two of which you would have to consider empty because I could only get a low flame that wouldn’t heat a pop tart. The third was just under half full.Following the instructions and weighing everything before and after, rather than getting a bit more use out of one and recycling the other two I now have one full canister and two completely empty canisters. Basically rather than using three up and recycling them with a bunch of fuel in them, it was like getting a free canister. It was so fast and easy. If you use isobutane fuel canisters this is a Must Have piece of gear.

This thing is ingenious and will be loved by all backpackers and campers. But you have to have some common sense when using it or you could cause some damage.The possibility to overfill cannisters in very real, and that can be very dangerous. I suggest only filling cannisters to 80% full. I have a JetBoil Cannister scale that makes it very easy for me to complete a proper fill, but you can also check with a kitchen scale.Place the cannister you wish to fill in the freezer for 20 minutes. I use a hair dryer on medium setting to warm the secondary cannister while its on the device. You will not get every last bit of the cannister, but in the long run, this device will pay for itself many times over!

Works well, put donors in warm water and recipient in freezer. Good instructions. Great way to consolidate nearly empty canisters. Doesn't get 100% but it's pretty good.