AprilAire 20 in. W X 20 in. H X 4 in. Synthetic Fiber 13 MERV Pleated Air Cleaner Cabinet Air Filter 3-80-851-13 insulated core that has an

insulated core that has an R-value of 8

hex shape is compatible with 1-7/16 in

natural light for the truest colors and details

FloraMicro is the "building block" of the FloraSeries

Working Pressure: 1/21 psi

AprilAire 20 in. W X 20 in. H X 4 in. Synthetic Fiber 13 MERV Pleated Air Cleaner Cabinet Air Filter 3-80-851-13 insulated core that has anThe 313 MERV 13 Air Filter helps capture and remove common airborne contaminants and allergy triggers. This replacement air filter is 4 in. thick with a large surface area for capturing pollutants and offering superior filtration to typical 1 in. filters. Filtering out airborne contaminants helps clean the air you breathe and can lower the frequency of cleaning and vacuuming by reducing dust buildup around the house. It also maximizes the lifespan of