M
Maud Leffler When taking it out of the case, the mouthpiece tears; it's too small and not functional.
A
Andreas Grady 8 days delivery time to Germany is excellent.
Price, performance, and quality are excellent.
Satisfied and highly recommended!
L
Luciano Jerde Very fast shipping.
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Nenita Romaguera I am a nurse, I expected a better product, in reality it is a sheet of plastic with a valve in the center. Useful but expensive due to the quality of materials.