80 Series 5/8" Plastic Spiral Window Balances

80 Series non tilt spiral window balances. 9/16" tube diameter. Gray plastic tube. Used on Airmaster windows.
Note: In most cases, the 72 series balances can be used as a direct substitute.

General Info:
In the past, various bearing (or pawl) colors were used to indicate different weight ranges for these balances. The colors used were white, red, blue, black and yellow. Currently the standard color for sashes weighing up to 30 lbs. is red and for 30 to 40 lbs, sash is yellow.
Gray tubes are standard.