Applicable modelsThe dust bag is compatible with Karcher WD5, WD6, WD4, WD4P / WD4 Premium, WD5P / WD5 Premium, WD6 P/ WD6 Premium, MV4, MV5, MV6, WD 4.000 wet and dry vacuum cleaners , WD 5,999. High QualityThe dust bag is made of high strength and environmental protection non-woven material. The good sealing performance ensures that all dirt is locked in the dust bag, keeping your hands free from debris. PerformanceThe vacuum cleaner bags can remove most dirt effectively, the household dust, pet dander, hair or other small granules. Keep the home environment clean and healthy. Protect your machineVacuum bags are effective in preventing dust in an indoor vacuum cleaner and extending the life of the machine. Package included12 X vacuum cleaner filter bag, to get the best performance from your vacuum cleaner, it is recommended to replace it every 2-3 months.