ocean reef mask

Just wondering if anyone else noticed this. The FFM regulator breathes fine when you are basically looking at the bottom, but it becomes more difficult to breathe when you look up or face horizontally. It's not extreme but noticeable and does not make the mask un-divable and playing with the...

Hi all thanks for the add ! I’m wanting to buy a ocean reef mask. I’m in Australia but happy to pay shipping from anywhere. Thanks