DEWALT 20 Volt MAX 1/2 Gal. 0.3-Peak HP Portable Wet/Dry Vacuum (Tool Only) - Bliffert Lumber and Hardware
Cabiclean DEWALT HEPA Filter Replacement Compatible with DEWALT DC5151H DC515 DCV517 for Wet Dry Vacuum - Amazon.com
1 Pack DCV501HB Filter Compatible with DEWALT DCV501HB 20V Cordless Handheld Vacuum, with Black Gasket, Compared to Part #DCV5011H, Washable and Reusable - Amazon.com
DEWALT Reusable Large Wet/Dry HEPA Shop Vacuum Cartridge Filter in the Shop Vacuum Filters department at Lowes.com