I'm looking for parts for my windows. I have some numbers and images. Here is the number from window H-R20-48-72 and numbers from part 26 5 ER caldwell. I believe this part call channel balancer system left and right. I need for 4 windows . 4 left and 4 right. I will appreciate if you can let me know if you have it and price or may be part#. I will sent you pictures also. You can call me to .Thanks.
William
