Usage Tips: Made of durable, washable materials for noticeably better air quality and long-lasting suction performance. Effectively captures pollen, dust, and allergens. Easy to clean and install: replacement filters can be quickly removed, replaced, and washed. For optimal filtration and strong suction performance, regular filter replacement is recommended. Recommended Replacement: Replace the filter every 4–6 months for best results. [Product Name]: Replacement HEPA Filter for Air Purifier [Compatible Models]: Y0293/30, AC0820, AC0830, ACO819/10, AC0820/10, AC0830/10 [Product Use]: Air purification Color: White Material: Plastic Package Contents: 2 x HEPA Filter / 1 x HEPA Filter (Only the above items included; other products are not included.) Note: Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.