Has your Numatic lost it& 39;s suction? Maintain your vacuum& 39;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