Stop paying five dollars per can for air and check out this diy refillable canned air tutorial. Following the steps in this video you will lear how to take your empty can and refill it over and over. You will never have to buy a can of air again. I am really glad I found this because it always irked me to pay so much for air.
refillable canned air
Shannon Baldridge shares the tutorial on Guy Manningham.