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18X20X1AB40

18X20X1AB40
Air filter, pleated, nominal 40%, 18" x 20" x 1"
Vendor Name:
Generic Filter
URI Part Number:
18X20X1AB40
Vendor Part Number:
80055011820
Length (In.):
20
Width (In.):
18
Shipping Weight (Lbs.):
0.35
Average Arrestance:
90 - 93
Average Efficiency %:
25 - 30
Girth (In.):
76.0
Prop65:
No
  • V-shaped pleat design provides the same open area on the air intake and air exiting sides for low airflow resistance.
  • Heavy gauge beverage board prevents moisture breakdown.
  • Media-to-frame bond prevents air bypass and maintains filter integrity.
  • Media is a blend of synthetic and natural fibers offering high dust-holding capacity and high efficiency.
  • Listed dimensions are nominal


  • Average efficiency: 25-30%
  • Average arrestance: 90-93% (ASHRAE 52.1-92)
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