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659TI — Steel Lanced Return Air Filter Grille, 1/3" Fin Spacing with Insulated Back

How to Specify

See examples below:

659TI W with R4 insulation

659TI R6 20 20 W for R6 insulation

659TI — Steel Lanced Return Air Filter Grille, 1/3" Fin Spacing with Insulated Back

Assets/Details

Engineering Data (292 KB, PDF)
  • Steel construction
  • Lanced-face design with 1/3" blade spacing
  • Flush, removable face with concealed latches and hinges can be installed in any direction
  • Molded fiberglass back R4.2, R6 (see information on page 54)
  • Accepts 6" to 14" unique tab collar (6400 series) or 6" to 16" unique snap-in collar (5400 and 5400PP series; also accepts standard spin-in collar
  • Frame includes four seismic safety connections
  • Uses standard 1" disposable filters (not furnished)
  • Bright White finish
  • Available sizes
    • 20" x 20" with extended frame (overall 23 3/4" x 23 3/4") for 24" x 24" openings