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Fiberglass
Return-Air Register Box

Fiberglass Return-Air Register Box

Product Description

    Available in R-4, R-6, or R-8 fiberglass.
    Design includes 1/2" drywall lip and rounded corners for added safety.
    Opening 1/2" oversized to accommodate return-air grille.
    Dual Bead box design for added strength.
    Available in 8" or 36" tall models.
    Fiberglass ductboard coated with EPA registered anti-microbial protective acrylic agent along air stream side.

Standard Sizes

    FGRAB8: Flanged all-fiberglass return-air box 8" tall.
    FGRAB36: Flanged all-fiberglass return-air box 36" tall.
    FGRABU8: Unflanged all-fiberglass return-air register box 8" tall.
    FGRABU36: Unflanged all-fiberglass return-air register box 36" tall.

FGRAB8 Standard Sizes

Part No. Size (W x H x D) Quantity
R6FGRAB202008T 20" x 20" x 8" 1
R6FGRAB241808T 24" x 18" x 8" 1
R6FGRAB242408T 24" x 24" x 8" 1
R6FGRAB301808T 30" x 18" x 8" 1

FGRAB36 Standard Sizes

Part No. Size (W x H x D) Quantity
R6FGRAB241836 24" x 18" x 36" 1
R6FGRAB301836 30" x 18" x 36" 1
R6FGRAB361836 36" x 18" x 36" 1