Air Filtration Products: HHE/DMF-RT

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Diamond Nylon Mesh Pre Air Filter

Every filtration chain needs a sacrificial first stage, and nylon mesh is the economical one. The Diamond series media washes clean with water and goes straight back into service, protecting the pleated and fine filters downstream from loading up on coarse dust. Fitted at the primary stage of AHUs, fan coil units and commercial air conditioning systems.

Nylon mesh pre-filter media glowing with cyan backlight

01

Specifications

  • Washable nylon mesh media
  • MERV 1–4 / ISO 16890 Coarse (≥30% arrestance)
  • Aluminium frame, custom sizes
  • Reusable: wash and refit
  • Low initial pressure drop
  • HHE/DMF-RT · option HHE/DMF-BT

02

Typical applications

  • AHU primary filtration stage
  • Fan coil units and cassette ACs
  • Return-air dust knockdown
  • Pre-protection for fine filter banks

03

Common questions

What does a nylon mesh pre-filter do?

It is the washable first stage of a filtration bank: nylon mesh knocks down large dust, lint and debris so coils and the finer filters downstream stay clean. When it loads up it washes with water and goes straight back into service.

Where are nylon mesh filters used?

Primary stages of AHUs, fan coil units, cassette ACs and return-air paths: anywhere coarse dust would otherwise shorten the life of pleated or fine filters.

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Nylon Mesh Pre-Filters: Washable AHU Primary Filters | Manufacturer & Supplier India | Hayan HVACR