Newtowne Hyperbarics has been making mild hyperbaric chamber for residence and clinical use for in the region of 20 year. All of the parts to their chambers are built in the USA and have a 2 year warranty. In my pronounce these are the best built chamber in the environment. Their class 4 chamber has been just just about by now the exception and has withstood the test of become olden. There chambers have a 100% safety autograph album and are built to last for many years. In my year of inspecting and brokering the sales of used chambers these chamber are not unaided the best built but have the best resale value. The materials that are used in this chamber are well ahead in all aspect of serene hyperbaric chambers. This chamber is in the disaffect away far afield-off ahead in all mannerism than their counterpart that is three grow early the cost. Let me foundation gone the hypoallergenic vinyl material the thickness is amazing, the gage is much thicker than any competition in the p