673TPI R6 — Steel Lanced Return Air Filter Grille, 1/2in. Fin Spacing, Plenum Box R6 Ductboard

Steel construction
Lanced-face design with 1/2" blade spacing
Flush face with screwdriver latches and piano hinges can be installed in any direction
Plenum box with R6 insulated ductboard
Uses standard 1" disposable filters (not furnished)
Bright White finish
Available sizes: 20" x 20", overall 23 3/4" x 23 3/4"

How to Specify

See example: 673TPI R6 20 20 W

How to Purchase

FAQs for GRDs

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673TPI R6 — Steel Lanced Return Air Filter Grille, 1/2in. Fin Spacing, Plenum Box R6 Ductboard

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