The Apeks Stage 3 Pack ATX DIN + ATX Octopus is your reliable companion for confident and safe diving. This meticulously assembled kit provides a high-performance regulator system, ensuring smooth and effortless breathing at all depths. The ATX first stage, with its over-balanced diaphragm design, delivers consistent intermediate pressure, unaffected by tank pressure. Paired with the ATX second stage, known for its exceptional breathing performance and user-friendly controls, you'll experience reduced breathing effort and enhanced comfort. The included ATX Octopus offers the same dependable performance as the primary second stage, providing a trustworthy alternate air source for yourself or your buddy in an out-of-air emergency. This complete regulator package is designed for divers who demand reliability and performance in all conditions.