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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SPFG-4 - holds 4" deep air filter * Standard Color
Free area equals more than 75% of nominal size
425 Series Engineering/Performance Data
Performance Data With Multi-Shutter Damper
Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with
Lattice Return Air Grille 600-30X36 Finish:Designer Color - Storm Gray Standard Features * 1/2" spacingStandard 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
