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Square to round 2" collar with roll formed retention bead - available in square sizes only
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
1/4” Wide x 1-27/32” High slots
2" ADC compliant round collar with bead for ease of installation
055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White
Opposed Blade Volume Damper 3000-0BD-50X48 Smoke-Fire Damper Square to round 2" collarh3. 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.
US$ 179.00
US$ 109.50
US$ 314.50
US$ 24.95
