Apeks DS4/ATX40 Regulator Combo
Apeks DS4/ATX40 Regulator Combo*This high-performance regulator boasts an over-balanced first stage coupled with a pneumatically balanced second stage.
* The smooth, quiet breath is sure to enhance your diving enjoyment.
* Suitable for coldwater use thanks to its first stage environmental dry seal and second stage heat exchanger.
* Includes ATX Octo