Andersen M436 Balancer for 200 Series Tilt-Wash Unit Number_26510 This screen measures 17-5/32" wide

This screen measures 17-5/32" wide by 63-3/8" high

This sash has an unobstructed glass size that measures 16-1/8" wide by 43-3/16" high

Andersen TW3056E (Upper 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 sash features a patented Flexacron finish

Andersen M436 Balancer for 200 Series Tilt-Wash Unit Number_26510 This screen measures 17-5/32" wideAndersen M436 Sash Balancer with Screws Works with 200 Series Tilt Wash Double Hung windows manufactured from 2000 to Present. This sash balance is a block and tackle balancer located in the edge of sash. There are separate sash balances for the upper and lower sash. Note: For balancer replacement instructions view the "Size Guide & Instructions" section..