Andersen CXW4 Casement Sash with Low-E4 Glass in Forest Green Color Unit Number_244GW4040 This Amerock sash lock is

This Amerock sash lock is for a left hand unit

This sash has an unobstructed glass size of 29 inches wide by 21 15/16 inches high

Andersen CR35 Casement Sash - High-Performance Low-E4 Glass - Forest Green Color

Works with Primed Wood Casement Windows thru 1988

To identify old style operators

Andersen CXW4 Casement Sash with Low-E4 Glass in Forest Green Color Unit Number_244GW4040 This Amerock sash lock isAndersen CXW4 Casement Sash High Performance Low E4 Glass Forest Green 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