A powerful dust collector from Shop Fox. This dust collector has air suction capacity of 1550 CFM and has a max static pressure of 12.3 inches. Static pressure is produced by the 12" balanced steel, radial fin impeller to move the wood chips into the collector. This unit features filters that capture chips and dust as small as 2.5 microns. Perfect for keeping your shop clean! The W1666 manual was written by our U.S. based Technical Documentation Department and is packed with useful information. The complete and easy-to-read manual provides full instructions on how to assemble and maintain your dust collector.The upper 2.5 mic bag (D4572) and lower plastic bags (D4573-5-pack) can be purchased separately for any collectors that do not include them.