3-Stage Air Purifier Box PM2.5 HEPA Carbon Filter Fresh Air Ventilation Indoor Air Cleaner Smoke Dust Odor 98% Removal

Three-layer purification filtration system (primary filtration + activated carbon + HEPA high-efficiency filter)Efficiently purifies PM2.5, with a purification rate of up to 98%Multi-functional air purification (smoke removal, dust removal, mosquito prevention, odor elimination, formaldehyde removal)Low-noise and environmentally friendly operationGood sealing performance, convenient filter replacementCan be used in combination with a full heat exchanger blower, providing 360° purificationMultiple specifications available (100mm/150mm/200mm/250mm connection)