Andersen TW1852 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass - No Grille Grommets Unit Number_30410 larger knob makes it easier

larger knob makes it easier to grip and operate

Andersen 38510 Double-Hung Full Screen

Andersen TW2856C (Lower Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets This Sash has no grille grommets

Andersen TW21032 (Lower 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

This operator fits windows with a visible glass dimension width of 16-1/8"

Andersen TW1852 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass - No Grille Grommets Unit Number_30410 larger knob makes it easierAndersen TW1852 (Upper Sash) White Exterior and Natural Pine 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