Could someone ID his wing?

Looking for a wing to put on my red premium but trying to go bigger than the OEM. I found this one in person but the owner left before I could aka him. Kinda looks like an epsilon but I’m wary of fitment issues with them.

Looking for a wing to put on my red premium but trying to go bigger than the OEM. I found this one in person but the owner left before I could aka him. Kinda looks like an epsilon but I’m wary of fitment issues with them.