Perfect fit: Filter cartridge for Kärcher WD1, WD2, WD 2 Premium,WD3P, WD3 Premium, WD 3200, WD 3230, WD 3500, SE 4001, SE 4002, MV 2, MV 3, MV3P, A 2004, A 2054 ME, A 2101, A 2120, A 2204, A 2254, A 2604, A 2654, K 2150, KNT 2 Premium Premium quality materials: Use of filter paper High Quality HEPA. Excellent quality and blown fabric, the product is made of high quality materials. Made of high density ABS material. according to the original size. Dense blown fabric and HEPA filter paper with activated carbon particles eliminate foreign odors, purify the air and absorb contaminants. For better suction, no overheating of the motor, good permeability and gravity; Air and, therefore, a longer service life of the vacuum cleaner High Efficiency Filter: Made of the material to use High efficiency H12 Hepa filter is durable and environmentally friendly and can remove 99.98% of dirt, hair and small debris up to 100%. 0.3μm (0.00003mm). Powerful filter for deep cleaning of the house Easy to