Amazon.com: Anewise 6 Pack HEPA Filters for ORFELD V20 Cordless Vacuum Cleaner, Compatible with MOOSOO K17 Cordless Vacuum and A18 NEQUARE Cordless Vacuum Cleaner 18KPa, Not for MOOSOO K17 Pro or Mini-vac :
TV1 Minivac
Flowbee Mini-Vac Filter (Single)
Megadyne MiniVac ECVV120 Evacuator With Three port ULPA/Carbon Filter