Andersen 34210 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Unit Number_21036 This screen measures 39-7/8" wide

This screen measures 39-7/8" wide by 38-27/32" high

Andersen TW21056C (Lower Sash) White Exterior and White Interior HighPerformane LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 2056C Conversion Kit for Narroline Windows - White Exterior / White InteriorThis kit fits an Andersen Narroline window with a visible glass size (lower sash) of 20 7/16 inches wide by 35 15/16 inches high

Andersen W2 Primed Casement Sash with Dual Pane Glass

Size 2768 - Screen dimensions are 27 ¾ inches wide by 77 ½ inches high

Andersen 34210 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Glass Unit Number_21036 This screen measures 39-7/8" wideAndersen 34210 Narroline Double Hung Lower Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a White Exterior with Natural Interior. This window sash has Low E 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. This sash features a patented Flexacron