Has your Numatic lost it's suction? Maintain your vacuum's performance with the Filter-Flo dust bags designed for optimal cleanliness and convenience.The Filter-Flo 5 layer filtration dust bags have up to 50% longer usage life since the dust is absorbed into the fibres without blocking the pores, thus avoiding reduction in suction power. The Filter-Flo dust bags filters the air 40% more efficiently than a normal paper bag and helps you get rid of airborne particles such as, for example allergens and some bacteria. Ideal for the people with allergies.Suitable for Henry Hoover Models. Type: NVM-1CH Pack of 20 Plastic Collar Compatible with the following models: Numatic 202, AV250, AVQ250, BASIL, BASIL NB200, DAVID, DUST, EDWARD, EDWARD EVR370, HENRY, HENRY HVR200, HENRY HVR200-22, Henry HVR200A, Henry Micro, HENRY MICRO HVR200M, HENRY MICRO HVR200M-22, Henry Plus, HENRY PLUS HVR200P, HENRY TURBO HVR200T, Henry Turbo HVR200T-2, Henry Turbocare, HENRY TURBOCARE HVR204T, Henry Xtra, HENRY XTRA HVX200, Henry Xtra HVX200A, HETTY, HETTY HET200-22, Hetty HET200A, HV200, HVC200, HVR200, HVR200M-22, HVR200P, HVR204, HVR204P, HZQ200, HZQ200-2, HZQ250, HZQ250-2, JAMES, JAMES JVP180, James JVP180A, JVC225, JVR225, MFQ300, NB200, NNV200, NNV204, NQS200, NQS200T, NQS250, NQS250B-22, NRV200, NRV200-22, NRV200T, NRV204, NSP180A, NSP200A, NSR200A, NST220A, Numatic Cleancare NV200, Numatic Henry, NUVAC, NV200, NV225, NV250, NVH180, NVH200, NVM1CH, NVP180, NVP200, NVQ200, NVQ200-22, NVQ200T, NVQ202, NVQ204, NVQ250, NVQ250B, NVQ250T, NVQ252, NVQ254, NVQ370T, NVR200, NVR225, NVR260, PSP180A, PSP200A, PVR200A, PVT220A, RSAV200, RSV130, RSV130M, RSV130P, RSV130T, RSV134, RSV134P, RSV200, RSV200M, RSV200P, RSV200T, RSV204, RSV204P, RUCKSACK, SE250, VNP180, VNR200