Optimum flow high efficiency particulate air filter engineered to meet Federal Standard 209 and Institute of Environmental Sciences RP Standards and ISO 14644-1. Individually packaged in cartons, skid mounted, banded for common carrier shipment. Protective packaging or solid wood crating available at additional cost. Prices quoted are for HEPA Filters with aluminum extrusion and includes one gasket, downstream. Wood frame replacement HEPA filters for order style celling modules are quoted an request. ULPA filters quoted on request.