Spiral Pipe Diffuser with Transition Box SD34-30X8G Spiral Pipe Diameter:14" Airfoil blades individually adjustable on

Airfoil blades individually adjustable on 3/4" centers

Adjustable steel curved blades

Access door with 1-3/8" deep steel roll formed frame

Satin polished finish

Countersunk mounting holes with color matching Phillips Pozidriv screws

Spiral Pipe Diffuser with Transition Box SD34-30X8G Spiral Pipe Diameter:14" Airfoil blades individually adjustable onSD34 Transition Box Spiral Pipe Grille (DOUBle Deflection) Standard Features Double deflection transition box mount spiral pipe grille Blades are parallel to the shortest dimension Allows for 4 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 Height of