Air Purifier R1 Replacement Filter, 3-in-1 Pre-Filter, True HEPA Filter, High-Efficient Activated Carbon Filter(Original), Blue

Only compatible with YIOU Air Purifier R1 | 3 Stage Filtration System: YIOU air purifier R1 replacement filter consists of pre-filter, true HEPA filter nad high-efficient activated carbon filter.Only use YIOU air filter to keep your YIOU air purifier working at its best working condition. | Non-woven Fabric Pre-filter: the first layer of YIOU air filter traps small airborne particles like dust, pet hair, building the powerful first barrier to protect you and your family. | True H13 HEPA Filter: the HEPA layer filters particles down to 0.3 microns such as pollen, pet dander, dust, and tobacco smoke. | Advanced Activated Carbon Filter: contains advanced carbon particles, effectively analyze and chemically decompose the odor and harmful gases in the air.Suitable for all the indoor environments.