HQRP 2-Pack Small Foam Filter Sleeve Shop-Vac 9052600/90526 Type CC Replacement Coaster HQRP&reg; 2-pack Small Foam Filter Sleeve Replacement + HQRP&reg; Coaster; Small Foam Sleeve for picking up wet messes when used alone. It can also be used for dry pick up when used with a disposable filter bag; The foam sleeve is required unless you are using a cartridge filter; Compatible with Shop-Vac Foam Filter Sleeve Part # 9052600 / 90526 Type CC; 2 weeks DOA replacement warranty!