Perfect Compatibility: Engineered to fit for PH3A, PH01, PH02, PH03, and PH04 models, this 4-pack of high-efficiency wick evaporator filters ensures seamless replacement and uninterrupted air purification and humidification. Premium Construction: Each filter is crafted from durable plastic combined with high-absorption wood pulp and paper, utilizing advanced technology to enhance performance, maximize filtration, and extend the lifespan of your air purifier. Essential Maintenance: Regular replacement of the wick filter is crucial as it traps a multitude of airborne particles, dirt, and white dust. Keep your home's air clean, fresh, and cool by timely updating your air purifier's filter. This pack ensures you always have a spare to maintain optimal air quality in your home or office. Colour:As Shown Material:plastic Package Contents: 4 x Air Purifier Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.