We offer discount for large quantity. Welcome to contact with us! Brand new, high-quality materials, well-made, durable, and highly compatible with the equipment.EFFECTIVE FILTRATION: Vital 100 True HEPA filter helps for attaching 99.97% of the airborne particles as small as 0.3 Micrometres, such as pollen, and pet dander, High-Efficiency Activated Carbon Filter works for household odors from pets, cooking, wildfire, and VOC's.EASY TO REPLACE: High-Performance Vital 100 filter is very easy to install. No tools are required, bring convenience and comfort into your life. For optimal performance, it is recommended to replace it every 4-6 months or depending on the air quality and usage frequency.3-IN-1 FILTRATION: Vital 100 air filter specifically designed in 3-in-1 H13 Grade True HEPA Filtration System, including Washable Pre-Filter, H13 True HEPA Filter, and High-Efficiency Activated Carbon Filter.Colour:As ShownMaterial:plasticPackage Contents:3 x Purifier filterOnly 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.