Andersen 2446 Upper Sash with White Exterior and White Interior with Dual-Pane 3/8 Glass Color:White Interior / White Exterior This sash has an unobstructed

This sash has an unobstructed glass size of 29 inches wide by 23 15/16 inches high

Andersen 2852 Conversion Kit for Narroline Windows - White Exterior / White InteriorThis kit fits an Andersen Narroline window with a visible glass size (lower sash) of 28 7/16 inches wide by 27 15/16 inches high

Once the cables are fasten to the the roof rafters you can use an adjustment nut located on the bottom of the corners to level the window

Andersen TW210510 (Upper Sash) White Exterior and White 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 2446 Upper Sash with White Exterior and White Interior with Dual-Pane 3/8 Glass Color:White Interior / White Exterior This sash has an unobstructedAndersen 2446 Narroline Double Hung Upper Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a White Exterior with White Interior. This window sash has Dual Pane 3 8 Glass. 3 8 dual pane glass offers standard thermal performance with great visibility. This sash features a patented Flexacron finish. This three step process ensures the best protection against weather and scratches. Flexacron is