Return Air Grille 1075-16X20 past 12 months inner dimension and outside dimension

inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color

601TFG Series Engineering/Performance Data

4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation

stair risers

Return Air Grille 1075-16X20 past 12 months inner dimension and outside dimensionStandard Features * 1 2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * Tamper proof screws * Standard Color, Designer Color or