Quoted from Isochronic_Frost:The opening on the DE is exactly 3” so a 2.9 is the ticket. It’s 1 15/16”
I’ve got the apex/pyramid and a parts VFM I found to test the fit. Couldn’t find any other DE’s that have this stupid style door. I will be glad to never have to deal with this particular style again.
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Did you ever find one that works?