Andersen TW2446 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Color:White Interior / White Exterior High performance glass is Low

High performance glass is Low E coated glass with an argon gas fill and is nearly 1/3 more efficient that dual pane and also greatly reduces ultra violet light that can cause material fading inside your home

Andersen TW3852 (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

This unit takes the place of a screen measuring 23-7/8" wide by 50-27-32" high

Andersen 244DH2440 200 Series Double Hung Lower Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass and Finelight Grilles

Andersen DH26210 Combination Storm and Screen Unit - White Color

Andersen TW2446 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Color:White Interior / White Exterior High performance glass is LowAndersen TW2446 (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, 2010. This sash has grille grommets in the sash. These plastic grommets are visible on the inside of the sash and can be punched out to accept grilles. This sash uses older style grilles with round end plungers that clip into the grommet holes. This