Andersen TW30410 (Upper Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Color:Pine Interior / Forest Green Exterior Works with Primed Wood Flexivent

Works with Primed Wood Flexivent and Beauty-Line Awning Windows manufactured June 1959 to October 1981

This sash has an unobstructed glass size of 15 inches wide by 13 15/16 inches high

This sash has an unobstructed glass size of 27 inches wide by 29 15/16 inches high

This sash has an unobstructed glass size of 31 inches wide by 33 15/16 inches high

The Fibrex basement window has double pane glass with a Low-E coating

Andersen TW30410 (Upper Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Color:Pine Interior / Forest Green Exterior Works with Primed Wood FlexiventAndersen TW30410 (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