Dalyte (A&I Industries, Denver, CO) venting skylight measuring 53" x 53". Features an aluminum curb-mount frame and a white/opal acrylic or polycarbonate dome. Operable design opens and vents via a built-in operator mechanism mounted on the curb frame. Protective film is still partially present on the dome. Condition is used with some surface marks, but both the dome and frame are structurally intact. Dalyte is a well-regarded Colorado-based skylight manufacturer. Sold as-is.