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Ships within 48 hours · Estimated delivery Oct 13 - Oct 18
Opposed Blade Damper standard on 4" widths
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 20" Duct Opening (front blades parallel to shortest dimension)
Nylon bushings on adjustable blades to prevent metal on metal rattle
Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * Tamper proof screws * Standard Color
Minimum size 4"x4"
Architectural Lattice Grilles 1303-42x20 Commercial Opposed Blade Damper standard onStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 11 32 Wide x 1 27 32 High slots. 5 32 crossbars, with 75% free area Options 14 GA 304 SS Construction Fractional Sizes Tamper proof Screws *Pricing is based on standard 14 GA steel construction. Please contact us for a quote on options. tony@registers direct. com
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