Andersen A3 Awning Sash with Low-E4 Glass in Terratone Color Unit Number_CR55 This sash has a visible

This sash has a visible glass size of 16 7/16 inches wide by 13 15/16 inches high

Andersen CR25 Casement Sash - High-Performance Low-E4 Glass - White Color

Andersen A330V Awning Sash with Low-E4 Glass in Terratone Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present

Andersen TW1842 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Sun Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen AP32V Awning Sash with Low-E4 Glass in White Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present

Andersen A3 Awning Sash with Low-E4 Glass in Terratone Color Unit Number_CR55 This sash has a visibleAndersen A3 Awning Sash with Low E4 Glass in Terratone 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