Bri-Rus SL1422E-LP 14 Inch x 22 Inch Rectangle  LP Ice RV Parts Speciality Recreation Skylight Dome, Low Profile Skylights are made of high performance thermoformed polycarbonate to be long lasting and easy to clean When choosing a Skylight, measure your rough hole opening as well as the overall exterior size There is a size to replace most manufacturer's original equipment Rectangular Skylight, Cracked Ice color Hole size 14 inch x 22 inch; flange size 17.5 inch x 25.5 inch; height 4.5 inch