Air Filtration Products: HHE/PPBF-BT-G4

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Pocketto Bag Pre Air Filter: 10 Micron (G4)

When airflow is measured in thousands of CMH, the filter bank needs surface area, and a bag filter is surface area: progressive-density media stitched into pockets that fill evenly and hold kilograms of dust at a steady pressure drop. The Pocketto G4 pre bag takes the coarse load so the fine bags behind it live out their design life.

Multi-pocket bag filter with progressive density media

01

Specifications

  • EN 779 G4 / ISO 16890 Coarse (10 micron)
  • Progressive-density pocket media
  • High dust-holding capacity
  • Galvanized frame, standard AHU sizes
  • Bonded pockets, no media shed
  • HHE/PPBF-BT-G4 · option HHE/PPBF-FT-G4

02

Typical applications

  • Large AHU pre-filtration
  • Paint booths and industrial plant
  • Hospital and institutional AHUs
  • High-airflow second stages

03

Common questions

Why choose a bag filter over a rigid one?

Surface area. Progressive-density pockets hold kilograms of dust at a steady pressure drop, which is exactly what large-airflow systems need between replacement cycles.

What grades do bag filters come in?

MERV 11–15 / ISO ePM1 50–85%. The typical AHU pairing is a MERV 8 pleated pre-filter in front of a MERV 13–14 bag or fine filter.

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Bag Filters / Pocket Filters: MERV 11–15 High Airflow | India | Hayan HVACR