Description: 【High Performance】: The Scuba Regulator Piston First Stage is designed to deliver exceptional, reliable performance under various diving conditions. Its advanced piston technology ensures consistent airflow at different depths, making your underwater adventure safe and enjoyable. 【Sturdy Construction】: Crafted with quality material, this scuba regulator set is built to last, offering durability and longevity. 【Easy to Use】: This Scuba Regulator offers an intuitive design that's easy to use, even for beginners. Clear markings and simple setup process make it straightforward to connect to your scuba tank, allowing you to focus on exploring the underwater world. 【Optimized Airflow】: The Scuba Diving Regulator is designed to provide an optimized airflow, reducing the amount of effort required to breathe underwater. This feature ensures a comfortable and effortless dive, allowing you to stay underwater for longer periods. 【Safe Features】: With its built in safe features, this dive regulator ensures a secure diving experience. The first stage includes a pressure relief valve to prevent over-pressurization, and the balanced piston design ensures consistent performance, even when tank pressure changes. Specification: Material: Metal Size Chart: Length: 65cm/25.59inch Package Includes: 1 Scuba Diving Regulator or 1 Pressure Gauge Note: Please allow slightly errors 1-2cm differences due to manual measurement.