Andersen 1842 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / White Exterior Visible glass dimensions are 31-11/16"

Visible glass dimensions are 31-11/16" wide by 41-1/2" high

Visible glass dimensions are 19-11/16" wide by 29-1/2" high

Andersen TW1862 (Upper Sash) White Exterior and White 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 TW210310 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

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

Andersen 1842 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / White Exterior Visible glass dimensions are 31-11/16"Andersen 1842 Narroline Double Hung Upper 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 ensures