Upgraded opening design filter cover allows for easy replacement without disassembling other hair dryer accessories. Simply remove the old filter and replace it following the guidance. This design also supports daily cleaning, making it convenient to remove and reinstall at any time. Compatible with hair dryer models HD01, HD03, HD07, and HD08. Not compatible with HD02. The dustproof strainer filter effectively blocks dust and protects internal components from damage. Regular replacement is recommended to maintain optimal performance. Simple installation in a few steps. Follow the included instructions for proper setup. Color: Red Material: Plastic Package Contents: 1 x Outer Filter Cover Note: Light reflection and display differences may cause slight variations in color. Measurement error allowance is +/- 1-3 cm.