R1 Air Purifier Replacement Filter - 3-in-1 Pre-Filter with True HEPA Technology

Only compatible with Air Purifier R1 3 Stage Filtration System: air purifier R1 replacement filter consists of pre-filter, true HEPA filter nad high-efficient activated carbon filter.Only use air filter to keep your air purifier working at its best working condition. Non-woven Fabric Pre-filter: the first layer of 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.