Legacy Filter Element E01AC for D25, D38 Air Filter HousingsE01AC Available in X5 5 um, X1 1 um, XA .01 um, AC .01 um Walker E01AC Filter Elements Previous Compressed Air and Gas Elements Compressed Air Filter Elements are available in 4 Grades Legacy Compressed Air Filter X5 5 um, X1 1 um, XA .01 um, AC .01 um Plastic End Caps Unique push-fit filter element design with double ‘O’ ring seals for extra security against by-pass contamination. Dusty Filters Supplies OEM Industrial Compressed Air Filter Elements for Previous Compressed Air and Gas Elements D25, D38 Housings. Dusty Filters Supplies Original OEM E01AC filter elements. Other FiltersWalker E02AC Filter ElementsWalker E381AC Filter ElementsWalker E571XA Filter ElementsContact Dusty Filters for your Compressed Air Filter. Knowledgeable Help is available to assist! Dusty Filters Says "Don't get left in the DUST!"