Miele Air Clean Efficiency Dust Bag, Miele Vaccum Bag, Type GN, Blue (4bags & 2 Filters) Miele GN Hyclean Vacuum Cleaner Dust Bags (Pack of 4 + 2 Filters). Soft Structure allows air to pass through smoothly Replacement dust bags for your Miele vacuum cleaner, featuring self closing mechanism with hygienic dust seal, 9 stage microfibre filtration, strong protective netting and 2 x micro filters to protect against dust allergens. Miele Replacement Bags. Type GN. First random spun bag with 3d effect. Automatic hygiene shutter.