Report this document VELUX 3 - ABBA Skylights ... VELUX 13 3046 3434 4646 301⁄ 2" x 461⁄ 2" 341⁄ 2" x 341⁄ 2" 461⁄ 2" x 461⁄ 2" CURB MoUNT SKYLIGHT VELUX offers several different installation.