Andersen 100 Series Single Hung Sash Balancer Number 2460 Handing_Right Overall grille dimension is 24-11/16"

Overall grille dimension is 24-11/16" wide by 14-7/32" high

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

Andersen TW2042 (Upper Sash) Sandtone 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 TW3456E (Upper Sash) Terratone 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 100 Series Single Hung Sash Balancer Number 2460 Handing_Right Overall grille dimension is 24-11/16"Andersen 100 Series Sash Balance Number 2460 Works with Andersen 100 Series Single Hung Fibrex windows manufactured from 2008 to present. Every balancer has the number stamped on the edge please see in image gallery. We highly recommend replacing both balancers even if only one is not operating properly. These balancers allow free and easy vertical movement of the lower active single hung sash. To visibly see the balancer you need to remove the lower