YIOU Air Purifier R1 Replacement Filter, 3 in 1 Pre True HEPA High Efficient Activated Carbon Filter(Toxin Absorber),Deep Purple

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. Polypropylene 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. Toxin Absorber Activated Carbon Filter: Adopting a method for removing formaldehyde, toluene, ammonia, acetaldehyde, acetaldehyde, acidic formula. High-grade granular carbon can do chemical decomposition and absorb harmful gases more effectively. Suitable for the indoor environments especially with more toxic andhamful gases, smoke, smog, and volatile organic compounds(VOCs). Helpful Information: each YIOU air filter is well-sealed to maintain its lifetime.It is recommended to replace filters for every 3-6 months.