Pay in 4 interest-free payments of $392.38 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
1/4” Wide x 1-27/32” High slots
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
Submittals and Performance Data
2" ADC compliant round collar with bead for ease of installation
14" * Soft White Options * Field installable Bowtie Damper (BD) * TVB - Thermal Vapor Blanket * HVD - Hinge Down Face
Opposed Blade Volume Damper 3000-0BD-50X48 Smoke-Fire Damper 1/4” Wide x 1-27/32” Highh3. 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.
