- For a powerful suction performance ,- MicroMultiFleece with a filtration of 99.9%, prevents germ formation and mould growth, the multi-layer structure effectively traps fine dust and allergens like pollen and mites ,- Suitable for Miele vacuum cleaner bags with the designation: ,- Size: type K - Dust Seal: No ,- Exhaust Air/Motor Filter: Trimmed to Size ,- Material: MicroMultiVlies ,- Number of Vacuum Cleaner Bags: 4 ,- Air/Motor Filter W x H: 137 x 115 mm ,- Length (Bag): 26,5 cm ,- Retaining Plate W x H: 79 x 93 mm ,- Width Bag: 24,5 cm 2 years legal warranty only