The MK11 EVO/S270 DIN300 regulator system from SCUBAPRO delivers reliable and consistent performance for divers of all levels. The MK11 EVO first stage features a balanced diaphragm design, providing consistent airflow regardless of tank pressure or depth. Its external intermediate pressure adjustment allows for fine-tuning by qualified technicians. Paired with the S270 second stage, known for its classic downstream valve design, this regulator offers ease of use and dependable operation. The S270 includes a durable technopolymer housing, a pre-tuned VIVA (Venturi Initiated Vacuum Assist) for effortless breathing, and a super-flow hose for efficient gas delivery. This DIN300 configuration ensures a secure and robust connection to your cylinder valve.