
Air Filtration Products: HHE/DMPF-BT-AL
DuraMet family →Where air carries grease, fibre or moisture, textile media clogs and fails. DuraMet aluminium mesh handles it: expanded layers that can be degreased, washed and returned to service indefinitely. The default primary filter for kitchen exhaust and heavy-dust environments.

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Grease, fibre and moisture clog textile media. Expanded aluminium or stainless mesh can be degreased, washed and refitted indefinitely, which is why kitchen exhaust and heavy-dust intakes run metallic.
MERV 4–6 / ISO 16890 Coarse (≥50% arrestance). They are primary-stage filters protecting downstream banks, not fine filtration.
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