YIOU PurifierS1 Air Purifier S1 Replacement Filter, Blue,Air PurifierS1 Replacement filter

3 Stage Enhanced Filtration System: YIOU air purifier S1 replacement filter consists of Pre-filter, True HEPA filter and High-Grade 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.

True H13 HEPA Filter: the HEPA layer filters over 99% of particles down to 0.1 microns such as pollen, pet dander, dust, and smoke.

Ammonia Removal Activated Carbon Filter:With the advanced carbon particle filter for ammonia removal, which can effectively remove the pet odors and trap the pet fur.Suitable for most indoor environments especially with pets.

Helpful Information: each YIOU air filter is well-sealed to maintain its lifetime.It is recommended to replace filters for every 3-6 months.

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