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Center margins are mounted on the backside of the grille for a streamlined continuous look
Countersunk mounting holes for flush appearance
Standard Features * Use in applications for installing round without damper * Steel galvaneal construction
Standard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product
Adjustable modular cores with fixed curved blades
Spiral Pipe Diffuser with Transition Box SD52-16X8G Finish:White Center margins are mounted onSD52 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
