Quick Details ? Efficiency: G3 ? Construction: filter media ? Filtration Grade: Pre Filter ? Medium Material: Active Carbon ? Place of Origin: China (Mainland) ? Brand Name: longwell ? Model Number: ACF-30 Advantage: * Economical, Long-lasting solution to many odor problems ; * Available in pleats, Panels, Multi-Pockets and pads; * Activated carbon and 50/50 blend (Activated carbon & potassium permanganate); * Effective on a wide variety of odors found in : Commercial buildings, Shopping centers, Hospitals, Restaurants , Health clubs, Schools, Hotels, Manufacturing Operations. * Long-lasting odor removal protection. Disposable types. APPLICATION: Commercial buildings, Shopping centers, Hospitals, Restaurants , Health clubs, Schools, Hotels, Manufacturing Operations.