This Review Title is Concerned for my health and the content is: I called the company because the hose that was sent was bent and not allowing air to flow. The sent a new hose which I am grateful to have. I am, however, concerned with the yellowing and brittleness of the hose after using it a few days. Does it oxidize my arteries too??? When I called to ask they didn't have an answer for me on this concern..There are other information for this review, one is This reviewer did purchase it and the other is 10 people think this review is helpful.