Made of high quality materials for durability washable, ensures noticeably better air, long-lasting suction performance, protects against pollen, dust and allergens Easy to clean and fit: the replacement filters can be quickly and easily removed, replaced and washed Regular filter replacement: for optimal filtration and strong suction performance, regular filter replacement is recommended RECOMMENDED REPLACEMENT: It is recommended that the filter be replaced every 4-6 months to ensure optimal results. [Product Name]: Compatible with (Philips) air purifier filter element [Compatible model]: Y0293/30, AC0820,AC0830,ACO819/10, AC0820/10 ,AC0830/10 [Product use]: Purify the air Colour:White Material:plastic Package Contents: 2 x HEPA Filter / 1 x HEPA Filter Only the above package content, other products are not included. Note: Light reflection 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.