Im not so sure about that. I put mine on backwards more than one and I could tell a BIG difference. Not only the sound it made but the performance. I know it seems crazy because it doesnt look like it make a difference but I believe it does.Yes, it works with whatever orientation you feel fits best. Mine has been in play going on four years now but with added copper spray. Pressure-tested to 40psi just fine.
-sent from my Galaxy S22 Ultra
IMO this is the correct orientation.
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