Upgrade Replacement Dust Collector Cartridge and Bag Filters Imperial Systems, Inc. offers a complete line of DeltaMAXXTM upgrade replacement dust collector cartridge and bag filters to fit most manufacturer's dust collectors.  DeltaMAXXTM upgrade replacement filters deliver the longest life, cleanest air and the greatest cost savings.         DeltaMAXXTM Dust Collector Cartridge Filters Main Page DeltaMAXXTM Cartridge Filter Cross Reference DeltaMAXXTM Cartridge Literature   DeltaMAXXTM Filter Bag Main Page DeltaMAXXTM Filter Bag Literature     Regardless of the nature of your dust collection and air pollution control applications, Imperial Systems, Inc. has the answer for all of your filtration needs. How to Order Replacement Filters: Contact an aftermarket sales representative at 800-918-3013 or info@isystemsweb.com.