Spiral Pipe Diffuser with Transition Box SD34-12X4G Spiral Pipe Diameter:10" For evaporative coolers or central

For evaporative coolers or central blower systems

Installation Ring only

Countersunk mounting holes with color matching Philips Pozidriv screws

Driftwood Tan

Spiral Pipe Diffuser with Transition Box SD34-12X4G Spiral Pipe Diameter:10" For evaporative coolers or centralSD34 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