Andersen TW28410 (Upper Sash) Terratone Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets Color:Pine Interior / Terratone Exterior This operator fits windows with

This operator fits windows with a visible glass dimension width of 19 3/4" or 24"

Andersen TW3042 (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Finelight Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 24310 Narroline Double Hung Upper Sash Terratone Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen TW1862 (Lower 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 TW18210 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets This Sash has no grille grommets

Andersen TW28410 (Upper Sash) Terratone Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets Color:Pine Interior / Terratone Exterior This operator fits windows withAndersen TW28410 (Upper Sash) Terratone 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.