Andersen TW28410 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets Unit Number_AP352 High-Performance Low-E4 glass with Finelightââ_x0080__x009e_

High-Performance Low-E4 glass with Finelightââ_x0080__x009e_ ¢ contoured grilles between the glass

Andersen TW38310 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Sun Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen TW20310 (Lower Sash) White Exterior and White Interior High Performance LowE4 Sun Glass - No Grille Grommets This Sash has no grille grommets

This sash has an unobstructed glass size of 29 inches wide by 23 15/16 inches high

This unit takes the place of a screen measuring 23-7/8" wide by 38-27-32" high

Andersen TW28410 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets Unit Number_AP352 High-Performance Low-E4 glass with Finelightââ_x0080__x009e_Andersen TW28410 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 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. Low E4 glass showed up to 25% in savings on cooling bills and 10% on heating bills over ordinary dual pane glass. Protects