General description The 360° sealed filter screen is designed for use with Dyson TP04, HP04, DP04, TP05, and HP05 Pure Cool Cleaning Fans. This high-performance air filter effectively removes airborne allergens such as dust, pollen, bacteria, and fungal spores, creating a fresh environment ideal for asthmatics and allergy sufferers. Technical specifications Size: 21 cm Material: Borosilicate microfiber Filter type: 360-degree glass HEPA filter Filtration efficiency: Removes airborne allergens Folded 238 times for enhanced filtration Measurement error: +/- 1-3 cm Compatibility and accessories Compatible with Dyson TP04, HP04, DP04, TP05, HP05 Pure Cool Cleaning Fans Package Contents: 1 x Filter Screen