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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Standard Features * Fixed bar blades parallel to 1st dimension given *
Spiral pipe diameter must be 4” larger than Height of the duct opening
Heavy Duty Construction (1 1/2" frame depth utilized)
055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White
Check out the All About Spirals page
Lattice Return Air Grille 600-6X16 Damper:without Damper Standard Features * Fixed barStandard 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
