100% brand new and high quality. Compatible with original air purifier, guarantee 100% compatibility. It is made of high-strength and environmentally friendly materials, durable and easy to install. HEPA filters and activated carbon filters can effectively filter particles, formaldehyde, smoke, dust, fine powder, PM2.5, second-hand smoke, purify indoor air, protect it from pollution and prevent secondary pollution. To keep your room fresh, the filter should be replaced every 3-6 months. Specification: Condition: 100% Brand New Item Type: Rear Filter Color: purple Material: plastic + filter paper Product Size: Top Diameter: Approx. 6.4cm / 2.5in Bottom Diameter: Approx. 8.6cm / 3.4in Height: Approx. 13cm / 5.1in Application: For V11 SV14 Vacuum Cleaner Package Contents: 1 * Rear Filter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.