Andersen AW2 Awning Sash with Low-E4 Glass in White Color

Andersen AW2 Awning Sash with Low-E4 Glass in White Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present. New High-Performance Low-E4 glass replaces previous versions of Low-E glass. Low-E4 glass showed up to 25% in savings on cooling bills and 10% on heating bills over ordinary dual pane glass. Protects interior from UV rays that causes material fading. This new glass reduces water spots up to 99% - Glass will stay cleaner. 20-year limited warranty. This sash has an visible glass size that measures 19-5/16" wide by 24" high. Note: Stationary replacement sash will require installation clips sold separately in package of 12 clips. For units manufactured (1966 to 1995) and (1999 to present) use part number 1359408. For units manufactured between 1995 and 1998 use part number 1359410 for stationary clips.