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NC Filtration Standard Capacity HEPA 99.97% Filter Wood Frame 18" x 24" x 11.5"

List price: $245.00
You save: $56.00 (23%)

This standard capacity wood HEPA air filter fits within most air scrubbers/negative air machines. It provides true HEPA filtration (99.97% efficiency) against particles 0.3 microns or larger.


  • Efficiency: 99.97% @ 0.3 Microns
  • Filter Media: Glass Microfiber
  • Separators: Corrugated aluminum media
  • Capacity: Standard (18 pleats/ft.)
  • Frame: Particle board 5/8"
  • Sealing: Internally with Urethane Sealant 
  • Initial Pressure Drop:  1.00″ w.g.
  • Dimensions: 18" x 24" x 11.5" (45.5 x 61 x 29 cm)
  • Weight: 26 lbs (11.5 kg)

Use in standard sized 18 x 24 Negative Air Machines, OmniAire 2000, Aerospace 18 x 24


  • Media:  Each filter is constructed from one continuous sheet of high strenthg waterproof glass microfiber paper, sealed to the frame on all four edges.
  • Separators: Media separators are corrugated aluminum.  A separator is placed between each pleat of media to prevent the pleats from touching.  This allows the air to pass through with minimum of resistance.
  • Adhesive Sealants:  Standard sealants utilized are fire retardant rubber bade adhesive and urethane sealant.  These sealants are applied as a fluid and solidifies to provide a positive seal between the media pack and frame.
  • Gaskets:  All standard HEPA filters are equipped with a closed cell neoprene gasket.  Placement is on the Downstream side of the filter unless otherwise specified.  If a gasket is required on both sides of the filter it must be indicated in the purchase order.
NC Filtration
Filter Type:
Replacement HEPA

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