12"x12"x6" H14 HEPA Filter for Laminar Flow Hood 99.997% Efficient @ .3 Microns

High Efficient Filtration: The HEPA filter captures 99.997% of particles as small as 0.3 microns Sturdy Galvanized Enclosure Ultrafine Glass Fiber Filter Size: 12'' x 12'' x 6''(305mm x 305mm x 150mm) Rated Air Flow: 350m^3/h Wind Velocity Test 1m/s Initial Resistance: 250Pa (1.00"wg)