Andersen CW35 Casement Sash with Low-E4 Glass in White Color Unit Number_21036 To identify old style operators

To identify old style operators

This unit takes the place of a screen measuring 19-7/8" wide by 74-27-32" high

Andersen 21056C Double-Hung Full Screen

This sash has a visible glass size of 40 7/16 inches wide by 27 15/16 inches high

Andersen CW35 Casement Sash with Low-E4 Glass in White Color Unit Number_21036 To identify old style operatorsAndersen CW35 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