General description Washable Barrel Pre-filter Replacement for Dyson DC28, DC33, DC37, DC39, DC41, and DC53 vacuum cleaners. Made of high-quality materials, this pre-filter is easy to clean and install, ensuring effective cleaning while maintaining hygiene and safety. It is recommended to replace the pre-filter every 2-3 months to keep your vacuum cleaner performing at its best. Technical specifications Material: Plastic Color: As shown Package Contents: 3 x Pre-filter, 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm