Open Box Tusa RS-790 Dive Regulator YokeThe RS 790 Dive Regulator Yoke delivers consistent performance for scuba diving with a focus on reliability, durability and comfort. The R 700 first stage uses a Dry Ambient Pressure Chamber to prevent water contact with the diaphragm and spring, helping maintain steady breathing at depth in cold water. Designed for cold water environments, the R 700 features a ribbed top cap section that acts like a radiator to increase heat transfer. This design