Volume Damper Low-Leak OBD 3000-0BDLL-44X34 Step Down Ceiling Diffuser 2701 Series Submittal

2701 Series Submittal

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

parallel to longest dimension

For evaporative cooling or high velocity exhaust applications

Standard Features *Surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 938 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws

Volume Damper Low-Leak OBD 3000-0BDLL-44X34 Step Down Ceiling Diffuser 2701 Series Submittalh3. 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.