Compatible with: Festool SELFCLEAN CT 26 / CTM 26 E / CTL 26 E vacuum cleaner bag, product number: 496187, please confirm the model number before purchasing. Quality materials Superior: The filter bag is made of two non-woven fabrics and three layers of melt-blown fibers. Five-stage filtration system: Through the collaboration with the cleaning station, fine dust can be effectively captured, prevents the growth of bacteria. Large capacity: 75cm long, 50cm wide, 19.69in tear-resistant non-woven filter bag, large capacity can effectively remove dust up to 90 days. Easy installation: Open the cover of the vacuum cleaner, insert the vacuum bag into the card slot, and close the cover of the vacuum cleaner to complete the installation. Package includes: 8 filter bags, protects your cleaning station for up to 22 to 24 months, depending on your cleaning environment and frequency. Note: Please confirm your machine model before purchasing. Compatible with: Selfclean SC FIS-CT 36/5 filter bag