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Heavy Duty ConstructionMRI CompatibleInsect Screen
Standard Features * Fixed bar blades parallel to 1st dimension given *
Holds up to a 2" filter (not included) with filter retention tabs (FG2)
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w
Standard Features * Double deflection aluminum wall or ceiling register * Heavy gauge aluminum frame * Individually adjustable extruded aluminum airfoil blades * Allows for spot or normal air diffusion * Hidden mounting mechanism * White Options: * Standard Color or Designer Color Finish available on this product
Volume Damper Low-Leak OBD 3000-0BDLL-62X46 Smoke-Fire Damper Heavy Duty ConstructionMRI CompatibleInsect Screenh3. 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.
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