I've used a few canisters of compressed air. Always have them on hand to blow dust out the pc or laptop, as well as those other hard to reach spaces.
My order was delivered promptly and well packaged.
Upon receiving the canisters I thought they would be worse quality than those I had used from others. However I was much surprised.
The canisters are sturdy and perform exactly the same, but are a lot CHEAPER that on the high street. One particular retailer (6 letters beginning with M and ending with N) charges twice the price for just one of these.
In conclusion if you need compressed air, you can't go wrong here.