Andersen TW2432 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass - No Grille Grommets Unit Number_244GW3030 This channel attaches to the

This channel attaches to the underside of the sash and is where the operator arm shoe slides to open and close the window

Andersen TW2062 (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 G536 400 Series Gliding Window (Active Sash) in Terratone

Andersen G5 Stationary Sash Weatherstrip - White Color

Andersen TW2432 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass - No Grille Grommets Unit Number_244GW3030 This channel attaches to theAndersen TW2432 (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