Replacements dust collection bags for a wide range of Numatic machines including Henry HVR160,170,200 & 240, Henry HVB200, Henry Allergy HVA161, Henry Micro HVR200M, Henry Xtra HVX 160 & 200, Hetty HET160 & 200, Harry and James plus NVB170 & 190, NRP240, NVR170 & 170H, NVQ200. NVQS 250 & 250B, AVQ250, PBT230, PPR240, PPT 220 and PSP180 & 240.