Pre Filters

Cardboard Framed Filters

These pleated filters use synthetic media and bonded to a weld mesh on the air-exiting side and then enclosed into die-cut cardboard. These filters are available in three thickness - 22mm (1”), 45mm (2”) , 95mm (4”) with 30-35% efficiency rate.

Specifications

Two printed flyers for cardboard carbon pleated filters with product specifications, advantages, applications, and a quality chart, placed on a blue background.
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Rainbow-filters-air-filtration-ASHRAE Extended Surface Pleated Panel Filters cardboard frame

Advantages

  • Lower pressure drop

  • Easy to install in a wide range of HVAC systems

  • High moisture resistance

  • Cost savings

  • Extended life span

Applications

  • Pre-filter ventilation systems

  • Factories

  • Residential, commercial & industrial areas