Glass mat media type high-efficiency ASHRAE box-style air filter.
• Available in three efficiencies, MERV 11, MERV 13 and MERV 14 when tested in accordance with ASHRAE 52.2.
• Incorporates micro fine glass fibers formed into a wet-laid continuous media sheet. Although any air filter should not be continuously operated in saturated conditions, glass mat media offers a higher degree of performance in saturated conditions than high-lofted media products.