Apeks RK3/RK3HD Dark Grey Type:RK3 HD and durability

and durability

must be non-stop and performed in an open water environment

Super high quality single cylinder pillar valve with M25x2 thread with EN-144-3 outlet fitting for 232 Bar DIN or A-Clamp regulators

is low profile and less prone to abrasion and finishes for a clean look

Environmentally Sealed diaphragm – cold water ready

Apeks RK3/RK3HD Dark Grey Type:RK3 HD and durabilityRK3 Designed in collaboration with the US military and renowned for outstanding performance and reliability, the Apeks RK3 is a rugged thermoplastic rubber fin featuring an over sized foot pocket to accommodate drysuit boots and a spring strap for easy donning and doffing. The RK3 is available in three sizes: Medium, Large and Super. We didn't give the RK3 fin a shoe size range as this can be very misleading. The environment that an RK3 is used in