Skylight Inner Dome for a 21” x 13 1/4” Skylight opening. An Inner Dome provides a layer of insulation and reduces condensation forming on the outer skylight. Molded of white ABS plastic material with a clear center insert.
Fits all standard 21” x 13 1/4” skylight openings.
- Opening Dimension: 21” x 13 1/4”
- Outer Dimension: 23 1/8" x 15 1/2" x 3 1/4"
