Andersen C6 Casement Sash with Low-E4 Glass in Terratone Color

Andersen C6 Casement Sash - High-Performance Low-E4 Glass - Terratone ColorWorks 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 unobstructed glass size that measures 19-3/4" wide by 67-1/16" high..Note: Stationary replacement sash will require installation clips. Sold separately part number 1359408 for package of 14 clips with fastners.