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Description
Note: Size shown is approximate. Check the Submittal Drawing below for exact dimensions.

Features:
  • All-steel construction
  • 1/3" spaced fins set at 20 degrees
  • Effectively conceals filter
  • Use standard 1" thick disposable filters (not included)
  • Removable face for easy installation and cleaning
  • Equipped with adjustable filter retainers
  • Bright White Finish
  • Average face velocity = 390 fpm, based on filter capacity rating of 2 CFM per square inch of gross filter area. Free area averages 75% of grille core. For quick calculation free area (sq. in.) = listed width x lengthx .75
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Specs
Product Type:

Return Filter Grille

Wall Opening (Inches):

20" x 30"

Height (Wall Opening):

30"

Width (Wall Opening):

20"

Overall Size:

21-3/4" x 31-3/4"

Color:

White

Material:

Steel

Application:

HVAC

Series:

659

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