The Mares MR-1 diving pressure gauge will be your ultimate diving companion. Designed for practicality and durability, the MR-1 boasts a compact form with a fluorescent dial housed in a sturdy 50mm brass case and a technopolymer window that ensures clear visibility in any conditions. Ready for Nitrox use, it comes with a protective rubber console with a convenient attachment point and an 80cm hose for easy maneuverability. The MR-1 is not only a tool for exploration, but also a choice for the environment. The MR-1 is not only a tool for exploration, but also a choice for the environment.