Andersen 20210 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Obscure Glass Unit Number_244GW3036 while the lower leaf hinge

while the lower leaf hinge attaches to the door frame

Andersen WX4 Primed Casement Sash with Dual Pane Glass

Andersen 2046 Double-Hung Full Screen

Andersen TW3832 (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 20210 Upper Sash with White Exterior and Natural Pine Interior with Low-E4 Obscure Glass Unit Number_244GW3036 while the lower leaf hingeAndersen 20210 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 Obscure 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. Being obscure it still allows