Andersen 38310 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Unit Number_244DH3430 Screen measures 31-31/32" wide by

Screen measures 31-31/32" wide by 13-1/32" high

This sash has an unobstructed glass size of 31 inches wide by 13 15/16 inches high

This screen measures 39-7/8" wide by 70-27/32" high

Andersen 2846 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 23 15/16 inches high

Andersen 38310 Lower Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Unit Number_244DH3430 Screen measures 31-31/32" wide byAndersen 38310 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 Sun Glass. Low E4 Sun glass performs best in southern climates and can help reduce cooling cost by helping to block heat penetration and keep cool air in. This sash features a patented Flexacron finish. This three step process