Replacement for ReservePro # 4356 Air Filter – 20″ x 25″ x 4-3/8″ (2-Pack ) Actual Size – 19-7/8″ X 24-7/8″ X 4-3/8″ Constructed from a highly efficient pleated synthetic media in a sturdy beverage board frame. Can be used in air cleaners made by several manufacturers, including Bryant, Carrier and Honeywell. Replaces GeneralAire filters # GA100A37, GFI#4356 Replaces Honeywell Filter # FC100A1037 HIGHLIGHTED FEATURES: MERV 11 Rating Remains sturdy even in high humidity areas due to a moisture resistant frame Foam gasket helps to seal it in place and prevent dust from circumventing the filter Built-in support holds the pleats in place to allow for maximum dust filtration Rust resistant galvanized wire downstream gives the filter rigidity and holds media in place after installation