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Purafil Smart 500 Replacement Pre filter

Purafil Smart 500 Replacement Pre filter

Regular price $19.18 USD
Regular price $28.55 USD Sale price $19.18 USD
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IAQ Aerostar Series 400 Pleated Filter, 12" x 24" x 1" - MERV 8

Genuine Purafil replacement prefilter traps dust, pollen, and other large particulates as the first stage in air filtration for the Smart 500  air purifier

The Aerostar Series 400 pleated air filter utilizes a state-of-the-art 100% synthetic media to achieve exceptionally high levels of efficiency with the lowest resistance to air flow available. The Series 400 filter is extremely effective in removing many airborne irritants such as pollens, molds, dander, and dust. The low resistance improves air flow and can greatly reduce energy costs. 


  • Extremely low resistance to air-flow minimizes energy costs
  • 100% synthetic media is moisture resistant and will not promote biological growth
  • Advanced media does not rely on electrostatic charge for efficiency
  • Moisture resistant and will not promote microbial growth
  • Excellent pre-filter for higher efficiency air filters
  • Effectively removes airborne irritant
  • Durable construction optimizes performance


  Actual Size (in): 11-3/8 x 23-3/8 x 3/4
  Capability (CFM): 750 (Medium), 1,000 (High)
  Capacity: Standard
  Case Quantity: 12
  Certification: UL 900 Class 2
  Filter Media: Fiberglass
  Filter Type: Pleated
  Frame: 100% Recycled Paperboard
  Initial Resistance (in WG): 0.18 @ 300 fpm, 0.25 @ 375 fpm
  MERV Rating: 8
  Nominal Size (in): 12 x 24 x 1
  Rated Velocity (FPM): 300
  Recommended Final Resistance (in WG): 1.0
  Series: 400
  Thickness (in): 1
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