Volume Damper Low-Leak OBD 3000-0BDLL-40X10

Volume Damper Low-Leak OBD 3000-0BDLL-40X10h3. 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.

3/4” Wide x 3/4” High square holes

Standard Features * 45-degree fixed blades parallel to long dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP935FG-4 - holds 4" deep air filter * 935 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product

Standard Features * Extruded aluminum (

Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size

Allows for 2-way airflow adjustment

Holds up to a 2” filter (not included)

Satin polished finish

w/ Steel Opposed Blade Damper

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Long throw individually adjustable blades with 1 1/2" blades on 1 1/2" centers or 3" blades on 3" centers

Blades spaced at 2/3"

Collar sizes available in 6”–10”