Economical, high capacity, medium efficiency air filter designed for applications where a 1" disposable panel filter may be used. Mono-Pleat utilizes a one-piece wrap around chip board frame. The filter element is mechanically bonded to the frame by a the rmal plastic sealant activated by applied heat and pressure. Monobond frame design prevents sagging and provides overall filter strength necessary for residential, commercial or light industrial use. Purolator manufactures the Mono-Pleat for use in homes, apartments, hotels, and service industries desiring upgrade performance from low efficiency filtration. Removes dust, pet dander and filters microscopic dust. 3 times more efficient than fiberglass filters.