Craftsman Replacement Cartridge Filter, HEPA —
Wash red sleeve and also fill sink half full and use a long bristle brush and gently clean paper cartridge, flip filter and repeat till clean. Pat dry and complete drying by placing on end in very well vented area, next to a fan. Also do not hit filter on end to clran out debris or dust as it causes the rubber to seperate and will not seal well on vac.