Sidemount DSV for SF2 CCR 現状まとめ

Sidemount CCR mounted Oxygen bottle with Transmitter for puressure guage.

SF2 Sidemount eCCR mounted Oxygen bottle (Configuration 2)

JJ-CCR ! with Underwater Scooter

2020 first dive for SF2 new parts and Shearwater NERD2 Test