Description

Skylight Inner Dome for a 21-1/2″ x 10″ Skylight opening. Complete your replacement with a new outer dome, NSL229. Fits all standard 21-1/2″ x 10″ skylight openings.
Finishes the look of your skylight with a 1-1/8″ white flange
Clear inner dome
Easy installation
Opening Dimension: 21-1/2″ x 10″
Outer Dimension: 23-5/8″ x 11-1/2″ x 5-1/8″