Andersen CR2 Casement Sash with Low-E4 Glass in White Color Unit Number_21042 Used on 5' 0" wide

Used on 5' 0" wide by 6' 8" high patio door with visible glass size of 18-7/8" wide by 63-1/2" tall

Andersen TW30210 (Lower Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen C6 Casement Sash - High-Performance Low-E4 TEMPERED Glass - Sandtone Color

Andersen 244DH3056 200 Series Double Hung Upper Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass and Finelight Grilles

Andersen CR2 Casement Sash with Low-E4 Glass in White Color Unit Number_21042 Used on 5' 0" wideAndersen CR2 Casement Sash High Performance Low E4 Glass 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