Casement operators needed

A quick learner from Indiana says:
No names on the hardware or sash
There is a date stamp of 8/21/01
One left and one right needed
Daylight opening is 24 1/2 x 48

White covers
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Casey from SWISCO responded:

Thanks for writing in. Take a look at our 39-253LB and 39-253RB. I've created a list of these parts, along with the appropriate handles and covers, on the side. 

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