polarstar mr mikro regulator med 42 slangePolarstar's latest take on how small a regulator can be, their MR regulator doesn't take up much space and is a fantastic solution if you provide as minimalist an air rig as possible. It of course comes with the same refresh rate as their larger MRS regulator, the primary difference is the size and that the MR only has room for a single outlet. The hose here is 42" Features: Due to the design of the MR regulator, it has an extremely high "refresh