Andersen 400 Series Tilt Wash Double Hung 632 Balancer Unit Number_CW3 This screen measures 35-7/8" wide

This screen measures 35-7/8" wide by 90-27/32" high

Andersen 30310 Narroline Double Hung Upper Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

This screen measures 23-7/8" wide by 46-27/32" high

Andersen TW20310 (Lower Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Sun Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

This screen measures 39-7/8" wide by 42-27/32" high

Andersen 400 Series Tilt Wash Double Hung 632 Balancer Unit Number_CW3 This screen measures 35-7/8" wideAndersen 632 Sash Balancer Block and Tackle with Shoe Works with 400 Series Tilt Wash Double Hung windows manufactured from 1992 to Present. This is a block and tackle balancer with a shoe. There are separate sash balancers for the upper and lower sash. Andersen made changes to the balanace design in November 2016. When replacing balances on windows before 2016 you'll need to order two. Note: This balancer may work on either Tilt Wash (DC) units