Review of the RK4 fins from Apeks

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Yes. The point of the 3rd photo is to show where it's made. Here it is again in more detail.
My Quattro+ are made in Bulgaria, so is my Mares Smart. I recently bought a Mares snorkel made in China. At any rate, none of their gear I got is made in Italy - while production facilities are pretty much next door...
That's interesting. Do they outsource their regulator manufactoring as well?
 
That's interesting. Do they outsource their regulator manufactoring as well?

Last I checked still made in Blackburn in England.

 
so my question is beside the design that look like a batman wing are they any different compare to the rk3 ? do they perform any better any how ?
 
so my question is beside the design that look like a batman wing are they any different compare to the rk3 ? do they perform any better any how ?

A kinda apples and oranges comparison. Speaking to F1 only, they have the weight I require when diving dry and the blade is huge as compared to the regular RK3. Found the RK3 comfortable but blade too small for me to generate much power and I found them too floppy, I like stiff fins. YMMV.
 
https://www.shearwater.com/products/perdix-ai/

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