Andersen 38210 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / White Exterior Overall grille dimension is 39

Overall grille dimension is 39 7/16 inches wide by 79 7/16 inches high

left hand operator pictured

This sash has an unobstructed glass size that measures 12-5/8" wide by 36" high

Andersen TW3042 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Finelight Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen TW26410 (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

Andersen 38210 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / White Exterior Overall grille dimension is 39Andersen 38210 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