General description The Festool 496121 Longlife Filter Bag is a robust and durable solution designed for the CT 36 Extractor, specifically for vacuuming dusts of class L. Made from high-strength, 3-layer polyester fleece, this filter bag is reusable and ideal for maintaining cleanliness in various environments. Technical specifications Material: 3-layer polyester fleece Dust class: L Reusable: Yes Not recommended for fine dust Usage Ideal for cleaning construction sites, workshops, and offices Efficiently holds dust while vacuuming To empty, open the sealing slide, empty the bag, close the sealing slide, and continue vacuuming