Andersen M850 Balancer for 200 Series Tilt-Wash Category_31-1\8 Inches This sash has an unobstructed

This sash has an unobstructed glass size of 17-1/2" wide by 13-11/16" High

The length of this weatherstrip is 17 5/32"

This sash has an unobstructed glass size of 33-1/2" wide by 16-11/16" High

This screen measures 37-5/32" wide by 33-3/8" high

This operator works for units with a visible glass dimension width of 20-1/4" or 22" or 22-3/4"

Andersen M850 Balancer for 200 Series Tilt-Wash Category_31-1\8 Inches This sash has an unobstructedAndersen M850 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..