Keep your home cool and comfortable with our Replacement Filters for the 4.75 Gallon Evaporative Cooler. Designed to trap common air impurities such as dust, dirt, and pollen, the Double Layer Filter ensures fresh and clean air circulation. With a seasonal replacement schedule, you can enjoy improved evaporative cooler efficiency and indoor air quality all year round. The intricate honeycomb design quickly transforms hot air outside into cool air, providing the relief you need during hot summer days. The filter dimensions are 10.5 in. W x 14 in. H x 1.25 in. D, and it is designed specifically for Perfect Aire model PEVP240.