Andersen G336 400 Series Gliding Window (Active Sash) in White Color:Pine Interior / White Exterior This sash has an unobstructed

This sash has an unobstructed glass size that measures 24" wide by 19-5/16" high

This sash has an unobstructed glass size of 35 inches wide by 33 15/16 inches high

This screen measures 29-5/32" wide by 51-3/8" high

Fits on the bottom rail of the Flexivent sash and provides a seal between the sash and the sill

Andersen TW3452 (Upper 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 G336 400 Series Gliding Window (Active Sash) in White Color:Pine Interior / White Exterior This sash has an unobstructedAndersen G336 400 Series Gliding Window (Active Sash) in White Works with 400 Series Gliding Windows manufactured from 1991 to Present. White exterior color and natural wood interior. This new High Performance Low E4 glass replaces previous versions of Low E glass. Low E4 glass showed up to 25% in saving on cooling bills and 10% on heating bills over ordinary dual pane glass. This new glass reduces water spots up to 99% Glass will stay cleaner. 20