HQRP 2 Foam Filter Sleeves for Shop-Vac QAL80 QAL80A QAM70 QAMF60 QAS60 QL20ATS QLH20ATS QL20ATSP QL20TS QL30B QL30C QL30CIC Wet Dry Vacuums + Coaster HQRP&reg; Foam Filter Sleeve + HQRP&reg; Coaster; Use on filter cage for vacuuming water, for picking up wet messes when used alone. Also required when using reusable disc style filters. Replaces Shop-Vac Foam Filter Sleeve Part # 9058500 / 905-85-00 / 90585. Required unless you are using a cartridge filter. 100% Compatible with Original filter. 2 weeks DOA replacement warranty!