Hart & Cooley 8" x 4" (Wall Opening Size) White One-Way Steel Sidewall/Ceiling Register (681 Series)

Features: All-steel construction (681) Aluminum construction (A681) Used for ceiling or sidewall installations Ideal for shallow duct installations Plastic handles One-way deflection 1/2" spaced fins set at 40 degrees Multi-shutter valve 1 5/8" depth when fully opened Interlocking valve louvers for positive shut-off Bright White finish