21" balancer Stap notes 20 3 CU CMC 2

Question

Need a replacement Balancer for my Milgard Window.  Metal is 21" long, stamp on side notes 20 3 CU CMC 2

Tom · Accepted Answer

I believe this is our S385-21. Compare the attachments to be sure that they match what's on your old balance. There's a "2030" option, required to place an order, which is very similar to your "20 3" code.