Fiberglass Air Filter Paper Fiberglass air filter paper are comprised primarily of glass microfibers and are produced with a wet laid process similar to those used for the production of paper. Our offers range from various Fiberglass Air Filter Paper ASHRAE grades (F6-F9), Fiberglass Air Filter Paper HEPA grades (H10-H14) to Fiberglass Air Filter Paper ULPA grades (U15-U17) with exceptional dust holding performance and providing the highest available efficiency at a minimal resistance to air flow. Our Fiberglass Air Filter Paper Main Product characters: Uniform fiber dispersion Exceptional dust holding performance High efficiency Minimal resistance to air flow. Fiberglass Air Filter Paper Application: ASHRAE grades (F6-F9): ordinary air-conditioning system, gas turbine air intake, air compressor, etc HEPA grades (H10-H14): 10,000 to 100,000 grade cleaning r…