Air Filtration Products: HHE/DPHF-BT-H13-H14
HEPA Deep Pleat family →A HEPA filter is the last line and the absolute one: ultra-fine glass fibre media in a deep pleat, sealed into an extruded aluminium frame, removing sub-micron particles at 99.95% (H13) to 99.995% (H14) efficiency to EN 1822. Specified where failure is not negotiable: operation theatres, pharma filling lines, biotech cleanrooms.
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Both are tested to EN 1822 at 0.3 µm: H13 removes 99.95% of particles and H14 removes 99.995%. H14 is specified where the last fraction matters most: pharma filling lines and the highest-grade cleanrooms.
Operation theatres, pharmaceutical and biotech cleanrooms, electronics manufacturing and laboratories: anywhere sub-micron particles cannot reach the process or the patient.
A staged bank in front of it, typically a MERV 8 pleated pre-filter followed by a MERV 13–14 fine or bag filter, so the HEPA spends its life on sub-micron particles, not coarse dust.
More from Clean Room HEPA & EPA Filters
Semi HEPA super fine filters at F9: 0.3 micron filtration where full HEPA is specified but H13 is more than needed.
Deep pleat EPA filters at H10–H12: 0.3 micron efficient particulate air stages for cleanrooms not yet HEPA-class.
Mini-pleat EPA filters at H10–H12: separator-less 0.3 micron packs with low pressure drop for tight housings.
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