Andersen 34310 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / White Exterior Works with 200 Series Gliding

Works with 200 Series Gliding Windows manufactured from 2002 to Present

Andersen TW1852 (Lower 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 TW2846 (Lower Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Channel length 16-1/8" long

This window sash has Low-E Tempered Glass

Andersen 34310 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / White Exterior Works with 200 Series GlidingAndersen 34310 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