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Locking screw to hold damper in place
Concealed mounting holes with mounting screws
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)
Designed for ceiling or sidewall applications
Standard Features * Fixed bar blades parallel to 1st dimension given *
Spiral Pipe Diffuser with Transition Box SD52-12X4G Finish:Designer Color - Aluminum Paint Locking screw to hold damperSD52 Transition Box Spiral Pipe Grille (Single Deflection) Standard Features Single deflection transition box mount spiral pipe grille Blades are parallel to the shortest dimension Allows for 2 way airflow adjustment Nylon bushings on adj. blades prevent metal on metal rattle Curved saddle with gasket provides airtight fit to spiral pipe Product sizes available to fit spiral pipe diameters 8 48." Spiral pipe diameter must be 4 larger than width of
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