Andersen 1842 Lower Sash with White Exterior and White Interior with Dual-Pane 3/8 Glass Color:White Interior / White Exterior Andersen TW18410 (Lower Sash) White

Andersen TW18410 (Lower Sash) White 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

Andersen 3452 Narroline Double Hung Upper Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

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Andersen TW28310 (Upper Sash) White 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

Andersen 1842 Lower Sash with White Exterior and White Interior with Dual-Pane 3/8 Glass Color:White Interior / White Exterior Andersen TW18410 (Lower Sash) WhiteAndersen 1842 Narroline Double Hung Lower Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a White Exterior with White Interior. This window sash has Dual Pane 3 8 Glass. 3 8 dual pane glass offers standard thermal performance with great visibility. This sash features a patented Flexacron finish. This three step process ensures the best protection against weather and scratches. Flexacron is