The Kärcher 63569042080 (equivalent to 6.356-904.0) consists of 5 tear-resistant fleece filter bags designed for Kärcher NT 30/1 and NT 38/1 wet/dry vacuum cleaners. These high-quality bags provide significantly longer suction periods compared to standard paper filter bags due to their superior dust retention capabilities, ensuring efficient and continuous operation. The durable fleece material enhances filtration and extends the lifespan of the filter, optimizing vacuum performance.