Scubapro MK21 First Stage Regulator Type:DIN For those that want to

For those that want to expand an existing set

expanding compatibility for scuba regulators across different cylinders

If you dive deep

Reversible demand valve can be converted from right-handed hose configuration to left-handed hose configuration

Zoom in on your underwater subjects with this Ikelite 5515

Scubapro MK21 First Stage Regulator Type:DIN For those that want toThe MK21 is SCUBAPRO's most compact balanced piston first stage. Smaller and lighter than the MK25, it uses a smaller piston but it delivers the same level of breathing performance, no matter how hard you're breathing, how deep you're diving or what your pressure gauge reads. The MK21 also provides exceptional resistance to freezing due to the thermal exchange produced by the external fins on its polished chrome brass body. The MK21's innovative