Specifications & Technical Details
The 250 HD Series Heavy Duty Double Deflection Supply Grille provides effective directional control of the air stream. The hollow, air-foil grille front bars are set at a fixed at 0° or 45° on .500″ centers. Back bars are spaced on .750″ centers and each bar is individually adjusted for the desired air deflection without affecting the setting of any other bar.
Available with horizontal face bars (250HD-H) or vertical face bars (250HD-V).
Specify: Series S-44 Opposed Blade Damper attached to 250 HD Series to make supply registers. The S-44 OBD assures even distribution of air across the grille face.