Jan 06, 2013
Johns Manville has long been recognized as the leading supplier of air filtration media for pocket filters and pleated box filters. JM offers the most complete line of high-loft microglass media designed to meet ASHRAE 52.1 and 52.2 performance requirements.
XLG 95 (JM Germany code) Close to F8
AFS 3 (JM American code) Close...