Diffuser 845-12X10 Damper:Opposed Damper Blades are parallel to the

Blades are parallel to the shortest dimension

Spiral pipe diameter must be 4” larger than the width of the grille

REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection

SD34 Series Performance Data

Diffuser 845-12X10 Damper:Opposed Damper Blades are parallel to theStandard Features * 3 way diffusion for draft free heat or air conditioning * For ceiling or sidewall applications * All component parts, rivets, linkage, and handle, are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Steel multi shutter damper * Soft White Options * 845 O steel lever operated opposed blade damper * Tamper proof screws * Standard