Halcyon Defender Pro Safety Spools (100, 150 & 200) Add Easy Grip Adapter?:No as the MK2 Evo is

as the MK2 Evo is slightly smaller than the previous models

this air-balanced flow-through piston first stage is designed to deliver an unparalleled airflow under the most strenuous of conditions

Constant and effortless airflow

It is powered by 3 x AAA batteries (not included) and has a beautiful magnetic switch

the single TrayX and the Fiber-Optic Cable II M/2 Connectors

Halcyon Defender Pro Safety Spools (100, 150 & 200) Add Easy Grip Adapter?:No as the MK2 Evo isThe Halcyon Defender Pro series is the top of the line spool series for technical divers and the preferred choice of cave divers worldwide. With it's nearly indestructible Delrin design, these spools can be used for years without any issues. The solid centre of the spools reduces the risk of catching a finger and reduce the overall size of the spool, which makes them easier to carry and operate. All real sizes come with a stainless steel double ended