3220 Number on Balance 13-18 lbs Sash Wt. Part Number 60-322

3220 Stamped on Window Balance. 33" Length of Metal Channel. 13-18 lbs Sash Wt. 1/2" x 1/2" Non-tilt window balance replacement.
***Note: Top and bottom balance ends must be ordered separately. We strongly suggest replacing the sash guides on the side of your window as well.