Andersen 20210 Upper Sash with Terratone Exterior and Terratone Interior with Low-E4 Obscure Glass Color:Terratone Interior / Terratone Exterior Works with Perma-Shield Casement and

Works with Perma-Shield Casement and Awning Windows manufactured from 1995 to 1998

Andersen 2456C Narroline Double Hung Lower Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

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

Andersen TW30310 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 3446 Narroline Double Hung Upper Sash Terratone Exterior with Terratone Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 20210 Upper Sash with Terratone Exterior and Terratone Interior with Low-E4 Obscure Glass Color:Terratone Interior / Terratone Exterior Works with Perma-Shield Casement andAndersen 20210 Narroline Double Hung Upper Sash Terratone Exterior with Terratone Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a Terratone Exterior with Terratone Interior. This window sash has Low E Obscure Glass. Low E4 Glass is a high performing glass that improves energy efficiency over standard dual pane glass. It also adds fade protection and water spot reductions due to it's special coating. Being obscure it