Canless Air X3 Hurricane Canless Air System Computer Duster (CA303-1511) The X3 is the most POWERFUL Canless Air System ever! With speeds of over 260mph nothing else even comes close to its power. This unit comes with every attachment we make, you get everything you need. Includes a LIFETIME warranty so you will never have to buy a can of canned air ever again 30 day money back guarantee if you don't love it! This unit is cordless, doesn't contain any liquids, recharges just like a cell phone and is totally safe to use on anything and everything.