HEPA Filter with Anodised Aluminium Framing has sub-micronic glass fibre media which is water resistant and high tensile strength. HEPA Filter with Anodised Aluminium Framing is manufactured by Airtech. The Company has validation of clean rooms done as per ISO 14644. Airtech also manufactures various types of air filters and cleaning equipments. The HEPA Filter with Anodised Aluminium Framing has fluid fire retardant adhesive for providing a positive seal between filter pack and rigid frame. This HEPA Filter has closed cell neoprene gasket which provides positive sealing. This HEPA Filter is individually tested by the DOP penetration method for efficiency as well as for air flow and pressure drop. This HEPA Filter assures filtration that is 99.97% efficient on particles of 0.3 microns in size or larger.