Multifunctional design - This diving breathing regulator is designed for a range of activities from deep diving to training sessions, making it suitable for both new divers and experienced professionals. Comfortable mouthpiece - Mouthpiece made from food-grade silicone provides a soft, comfortable fit that reduces bite fatigue during long dives, enhancing overall comfort. Efficient exhaust system - The second stage features an efficient exhaust system that directs bubbles to the sides, improving visibility and delivering a natural breathing experience by balancing inhalation and exhalation. Wide application - Suitable for recreational diving, snorkeling, underwater industrial work, operations, and fish farming, this regulator is designed to meet diverse diving needs. Use scenarios - Recreational diving and training: Ideal for divers who require reliable performance in varying depths and durations, helping maintain comfort and breathing efficiency during prolonged sessions. - Snorkeling and shallow water exploration: The side-directed exhaust helps keep the field of view clear while offering a comfortable breathing experience for extended snorkeling periods. - Underwater industrial work and fish farming: Provides dependable second-stage performance in professional environments where steady, easy breathing and visibility are important.