Aluminum Door Grille 4000-36X18 Accessories Provides 4-way air flow on

Provides 4-way air flow on one plane

Spiral pipe diameter must be 4” larger than the width of the grille

Mounting holes with color matching 2" baseboard Phillips screws

Lever operated Multi-Shutter Damper

Aluminum Door Grille 4000-36X18 Accessories Provides 4-way air flow onStandard 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 *