The Multi-Pleat XL8™ is a mechanical pleated panel filter. It offers a MERV 8 performance rating, per the American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2-2007. According to the manufacturer, the mechanical MERV 8 media is not reliant on electrostatic charge for efficiency. Features include a low pressure drop, high dust-holding capacity, sturdy double-wall frame design, and 100 percent moisture-resistant frame. The filter is available in standard and high-capacity models and in 1-, 2-, 4-, and 6-inch depths.

Koch Filter Corp., 625 West Hill St., Louisville, KY 40208; 502-634-4796;

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