Andersen 24210 Lower Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_1856 This part fits on the

This part fits on the edge of a removable glazing panel to lock it in place

Andersen TW24210 (Upper Sash) Sandtone 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 TW24410 (Lower Sash) Sandtone 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 TW3456C (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 24210 Lower Sash with White Exterior and White Interior with Low-E4 Glass Unit Number_1856 This part fits on theAndersen 24210 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 Low E Glass. Low E4 Glass is a high performing glass that improves energy efficiency over standard dual pane glass. It also adds fade protection and water spot reductions due to it's special coating. This sash features a patented Flexacron