Lattice Return Air Grille 600-5X42 Step Down Ceiling Diffuser 2" ADC compliant round collar

2" ADC compliant round collar with bead for ease of installation (square sizes only)

950 Series Submittal

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 18" Duct Opening(front blades parallel to shortest dimension)

SUBMITTALS 907 Series Submittal

Spiral pipe diameter must be 4” larger than Height of the duct opening

Lattice Return Air Grille 600-5X42 Step Down Ceiling Diffuser 2" ADC compliant round collarStandard 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