Lattice Return Air Grille 600-20X28 T-Bar Retainer cables are provided on

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

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and 2x4 panels * Soft White

Insect Screen

Heavy Duty ConstructionMRI CompatibleInsect Screen

Lattice Return Air Grille 600-20X28 T-Bar Retainer cables are provided onStandard Features * 1 2" x 1 2" x 1 2" aluminum lattice return air grille * Surface mount grille with . 055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 600 O opposed blade damper * No Labor Collar Square to round (square sizes only) * 600 T T Bar mount * 1 2" x 1 2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes, inner