Hepa h13 meltblown non woven air filter media hdf100 h13 hepa h13 meltblown non woven air filter media is created using melt blown technology. 47 out of 5 stars 559. Multi Fold Hepa Filter Sheet Dust Pm 2 5 Particulate Allergy Smoke The fibers are typically composed of fiberglass and possess diameters between 05 and 20 micrometerskey factors affecting its functions are fiber diameter filter thickness and face velocitythe air space between hepa filter fibers is typically much greater than 03 mm. Hepa air filter sheet . Hepa h13 activated charcoal odor filter sheet hdfd330w h13 hepa h13 activated charcoal odor filter sheet is easy to use and trim. Hepa filters are composed of a mat of randomly arranged fibres. It is the perfect replacement filter or pre filter for household air purifiershumidifiers hvac and hepa filtration systems to eliminate odor. Advantages high air flow rates up to 4000 m3h per hour optimum filtration seque...