I beg to differ. I put in UA about ten months in the past And that i am surprised by its overall performance. In particular the prop is glowing cleanse - see the pic - about 5 months of it was in tropical waters, the shiny spots are bare steel https://oxygen-therapy-cost-in-in85062.activosblog.com/34714826/5-tips-about-oxygen-chamber-therapy-price-you-can-use-today