• Superior moisture resistance
  • A multi-layered noncellulose media, repels water, captures dust, lint, pollen and other particulate contaminants
  • Bonded into case to eliminate air bypass
  • Large media surface
  • High media surface area
  • ICON7 iso16890.ai
  • ICON42 UL logo
Item Type Filter Class EN779 Filter Class ASHRAE Width (mm) Height (mm) Depth (mm) Airflow (m3/h) Pressure drop Average (Pa)
AP WR 24x24x2 G4 MERV 7 595 595 44 3400 60
APWR 24x12x2 G4 MERV 7 289 595 44 1700 60
AP WR 24x24x4 G4 MERV 7 595 595 95 3400 55
AP WR 24x12x4 G4 MERV 7 289 595 95 1700 55


Prevention of dust and dirt build up on heating/cooling coils within ventilation systems
Filter Frame
Water resistant cardboard
Glass fiber
Max temperature (°C)
Recommended final pressure drop
250 Pa
Filter Class ASHRAE
Installation options
Holding frames: Front and side access housings and frames are available, Type 8 and FC Housings

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