Volume Damper Low-Leak OBD 3000-0BDLL-68X48 Residential Registers & Grilles 032 Aluminum construction * Tamper

032 Aluminum construction * Tamper proof screws * Standard Color

3-Way and 4-Way Air Patterns

Holds up to 1" filter (not included)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 16" Duct Opening (front blades parallel to shortest dimension)

½ × ½ × ½ Aluminum lattice

Volume Damper Low-Leak OBD 3000-0BDLL-68X48 Residential Registers & Grilles 032 Aluminum construction * Tamperh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.