Apeks DS4 First Stage Brand_Tusa The classic 4 channel design

The classic 4 channel design generates thrust on both the down and upstroke of the fin

Improve the buoyancy skills you learned as a new diver and elevate them to the next level

Suitable for coldwater use thanks to its first stage environmental dry seal and second stage heat exchanger

Planning and organizing under the supervision of your PADI Instructor

Apeks DS4 First Stage Brand_Tusa The classic 4 channel designApeks DS4 First Stage The Apeks DS4 First Stage is one ofApeks' most long standing regulators. This has been the go to regulator for many divers for many years. The design is small, simple, rated for cold water, and with 4 low pressure ports. It is the ideal first stage for so many diving applications. Apeks DS4 First Stage Features Dry sealed system for cold water No turret 4 medium pressure ports 3 8 UNF 1 high pressure port 7 16 UNF