Are they the same

Please register or login

Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.

Benefits of registering include

  • Ability to post and comment on topics and discussions.
  • A Free photo gallery to share your dive photos with the world.
  • You can make this box go away

Joining is quick and easy. Log in or Register now!

Dear Sir.

They are almost the same as there 's only one difference between them and that is an o-ring.
The 3790 1st stage has one o-ring more then the 3720 1st stage.

You can place a Cyklon 2nd stage on any of them, but the Jetstream 2nd stage requires more airflow, so it needs to be placed on a 3790 1st stage.

Jörgen Nilsson
Q-manager
Poseidon Diving Systems AB
 
https://www.shearwater.com/products/perdix-ai/

Back
Top Bottom