Andersen TW2652 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass - No Grille Grommets Product Type_Operator Covers The 400 Series gliding window

The 400 Series gliding window was introduced in 1991 and is still in production today

Andersen TW28310 (Upper Sash) White 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 TW2446 (Upper Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Sun Glass - No Grille Grommets This Sash has no grille grommets

Andersen 244GW4040 - 200 Series Gliding Window (Active) Sash - White Color - Low-E Glass

Works with these Perma-Shield Gliding Patio Doors:

Andersen TW2652 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass - No Grille Grommets Product Type_Operator Covers The 400 Series gliding windowAndersen TW2652 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass No Grille Grommets This Sash has no grille grommets, any interior grilles for this window will need to have the chisel style plungers. This sash has new High Performance Low E4 glass and replaces previous versions of Low E glass. High Performance Low E4 tempered glass provides outstanding insulating performance in both heating and cooling climates.