Request info on Tandem roller unit for BetterBilt slider window of 1991 vintage.

A quick learner from Oro Valley, AZ says:
March 25, 2016
No stamps or part numbers shown on unit
User submitted photos of a window roller.
Profile picture of Paul
Paul from SWISCO responded:
March 28, 2016
Please see our 87-181 tandem window roller. This has been known to work in some Better Bilt sliding windows, but review our information and see if you can get this to work.
Tandem Roller Assembly
Tandem Roller Assembly
87-181
$3.55
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