General description Set of 2x filter elements for the Fein SQ 450-21 Battery-Powered Vacuum Cleaner. Ideal for both dry and wet vacuuming, perfect for cleaning wet rooms. Designed for easy installation and removal, ensuring efficient suction power. High-quality filters trap dust and tiny dirt particles, enhancing the performance of your vacuum cleaner. Technical specifications Height: 12 cm Outer diameter: 18 cm Inner diameter: 13.4 cm Form: round Weight: 253 g Colour: white / blue Washable Compatibility and accessories Compatible with Fein SQ 450-21 Replacement for W29747, R640, 488461, 29747 Usage Regularly change the filters to ensure optimum suction performance. Extends the service life of your vacuum cleaner motor.