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Your cart is empty.Do you have a Shop-Vac that’s not slurping in as much wet waste as it used to, or without the sucking strength you remember it once did? If your clean-up job requires wet vacuuming, the quick and easy fix can be as simple as replacing its clogged and congested filter. While foam type filters like these can be rinsed clean for prolonged life, they too eventually can break down or accumulate small debris that cling tight and reduce wet vac performance. These Shop-Vac 9052500 Micro Foam Sleeves are designed for use with 20210 Micro 1 gallon wet dry vacuums (model MC150A). They are Type MM filters and they clean up easily with a few taps and good rinse. Use the Shop-Vac Micro Foam Sleeve for picking up wet messes when used alone. The Foam Sleeve is also required when using reusable dry filters. Note: Only foam sleeves should be used for wet vacuuming, unless stated otherwise on cartridge-type filters.