Spiral Pipe Diffuser with Transition Box SD52-18X6G Finish:Driftwood Tan 2x4 T-Bar (20" x 44"

2x4 T-Bar (20" x 44" duct)

Insect Screen

Blades are parallel to the shortest dimension

Designer Colors

Single deflection transition box mount spiral pipe grille

Spiral Pipe Diffuser with Transition Box SD52-18X6G Finish:Driftwood Tan 2x4 T-Bar (20" x 44"SD52 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