Volume Damper Low-Leak OBD 3000-0BDLL-18X18 Residential Registers & Grilles View or print our product

View or print our product information sheet

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

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

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)

Volume Damper Low-Leak OBD 3000-0BDLL-18X18 Residential Registers & Grilles View or print our producth3. 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.