14 in. x 20 in. x 1 in. to 20 in. x 25 in. x 1 Adjustable ECO Washable Air Filter FPR4

The PURAFILTER 2000 Adjustable ECO Filter can be adjusted to fit standard size air vents from 20 in. x 25 in. x 1 in. down to 14 in. x 20 in. x 1 in. The filter media helps to reduce airborne allergens and is designed to perform as a FPR 4. The reusable filter grid and frame and washable filter media can provide years of service while helping to reduce landfill waste.