Amazon.com: ALL PARTS ETC. Foam Filter Sleeve for Shop Vac including 3 Dry Filters, 1 Foam Sleeve, and 1 Mounting Band - Compatible with Shop Vac, Ridgid, Craftsman and Other Similar Wet
Amazon.com: Shop-Vac 90525 Foam Sleeve Filter Replacements, For Most 1 Gallon Shop-Vac Wet/Dry Vacuum Cleaners, Replace Parts # 9052500, 3 Pack : Tools & Home Improvement
MULTI FIT Wet Filter Foam Sleeve for Select Shop-Vac Branded Wet/Dry Shop Vacuums VF2001 - The Home Depot
Shop-Vac 9058533 5+ Gallon Foam Filter Sleeve
Type MM - Shop-Vac Micro Foam Sleeve | Shop-Vac Store
Shop-Vac Large Foam Sleeve 90585, Vacuum Cleaner Attachment - Walmart.com