Storm door handle lock set replacement help

A quick learner from Brownfield tx says:
I need help identifying this lock brand so I can find a handle
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Emily from SWISCO responded:

Hello!

I'm afraid we don't have an exact match for this. Yours reminds me of our 40-191 but the design is different. It's our best and only option, however. I am sorry we can't offer something closer. 

SWISCO 40-191 Storm Door Multi-Point Mortise Lock by Pella
SWISCO 40-191 Storm Door Multi-Point Mortise Lock by Pella
VIDEO
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How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
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40-191 Mortise Lock Latch Assembly Removal
40-191 Mortise Lock Latch Assembly Removal
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