ProSource 3-Way Sidewall Register, Number of Ways: 3, Air Deflection Angle: 52 degree, Faceplate Type: Opposite and Upward Blade, Projection Size: 13.5 x 7.5 in, Duct Opening Width: 12, Duct Opening Height: 6 in, Blade Spacing: 0.5 in, Steel, White, Installation Type: Mounted, 13.5 in L, 7.5 in W, 1.5 H, Suitable for: Sidewall/Ceiling, Includes: Mounting Screws Included