General description This air purifier carbon fiber evaporator filter is compatible with PH01, PH02, PH03, PH04, and PH3A models. It is designed to maintain optimal performance by ensuring effective filtration and evaporation. Technical specifications Material: Plastic Package Contents: 3 x Filters, 1 x Cleaning Brush Color: As shown Measurement allowed error: +/- 1-3 cm Usage Regular replacement of the evaporator is essential as prolonged use can lead to a loss of carbon fiber, diminishing filtration and adsorption capabilities, and worsening evaporation performance. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.