Screen/storm door latch

A quick learner from New York says:
Hey Good Afternoon, does anyone know what type of inside latch I would need for this. I have the doorknob and need a new latch.
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Emily from SWISCO responded:

Hello!

Start by comparing your dimensions to our 40-150 inside handle to see if this matches up for what you need. 

How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
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SWISCO Quick-Fix! 40-150 Spindle Replacement
SWISCO Quick-Fix! 40-150 Spindle Replacement
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