Andersen W4 Primed Sash with Routed Bottom Rail (1945 to 1974)
- Works with Primed Wood Casement Windows manufactured from 1945 to 1974.
- This sash is routed on the bottom rail to accept a deep hardware channel.
- This sash has a visible glass measurement of 20-1/4" wide by 48-3/16" high.
Note: For sash replacement instructions click on the (Size Guide & Instructions) below..