Andersen 100 Series Single Hung Sash Balancer Number 3440 Unit Number_3432 Screen measures 17-1/16" wide by

Screen measures 17-1/16" wide by 31-15/32" high

This screen measures 31-7/8" wide by 74-27/32" high

Andersen TW2846 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass - No Grille Grommets This Sash has no grille grommets

Works with Perma-Shield Narroline Double-Hung windows manufactured from 1968 to 2011

Andersen 100 Series Single Hung Sash Balancer Number 3440 Unit Number_3432 Screen measures 17-1/16" wide byAndersen 100 Series Sash Balance Number 3440 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