Question: When using the 25' Blue Skipper Line with SK6W Reverse Blowing what is the recommended PSI and CFM? What is more important to look at when buying an air compressor for cleaning dryer vents? http://www.steam-brite.com/heat-seal...gs-p-5653.html

Answer: The psi does not mater but the cfm does. You will need a 12 cfm compressor at 45 psi. Usually this means taking two standard 120 volt 15 amp compressors and "Y"ing them together or using a single gasoline powered compressor.
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You can use smaller cfm compressors but then you have to wait for the tank the re-fill. When you have a 12 cfm system, you will have all the air you need to get the job done.