Aluminum Door Grille 4000-36X18 Accessories 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 12" Duct Opening (front blades parallel to shortest dimension)

Standard Features * Use in applications for installing round without damper * Steel galvaneal construction

2" ADC compliant round collar with bead for ease of installation

T-Bar Modular Core Diffuser

Aluminum Door Grille 4000-36X18 Accessories 904 - Double Deflection AdjustableStandard Features * 4000 door core grille with single frame * 4100 door core grille with additional loose frame * . 060 T6 extruded aluminum construction * Completely vision proof * High air capacities * Will accommodate door thickness ranging from 1 1 4" to 2 1 4" * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Driftwood Tan Options * 1310 Series stainless steel door grille * Tamper proof screws *