Wlauqueta Washable Vacuum Cleaner Rear Filter Accessory Replacement Filter Tool for V11 SV14

and high quality. HEPA filters and activated carbon filters can effectively filter particles, formaldehyde, smoke, dust, fine powder, PM2.5, secondhand smoke, purify indoor air, protect it from pollution and prevent secondary pollution. Compatible with air purifier, 100% compatibility. It is made of high-strength and environmentally friendly materials, and easy to install. To keep your room fresh, the filter should be replaced Every 3 to 6 months.