Andersen TW30310 (Upper 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
Andersen TW210310 (Upper 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
Andersen TW26310 (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
Andersen TW21052 (Lower Sash) Forest Green Exterior and Natural Interior High Performance LowE4 Glass (1992 to May 2010) 21052 Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24
Andersen TW3446 (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
Andersen TW2436 (Upper Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Unit Number_3446 Andersen TW30310 (Upper Sash) ForestAndersen TW2436 (Upper 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, 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.