YIOU Air Purifier, Midnight Black & Air Purifier R1 Replacement Filter, Deep Purple

• Adopted enhanced air duct system, YIOU air purifiers can purifiy up to 547 ft² room twice per hour and effectively block air-born pollution. 3-Stage True HEPA Filter: Consisted of pre-layer, H13 true HEPA layer and activated carbon layer, YIOU air filter can capture large airborne particles, and decompose unpleasant odors in turn to relief respiratory discomfort.[Please search B0972641SV for replacement filter.] 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.