The ergonomic silicone mouthpiece and dual-layer filtration system block debris, ensuring clean airflow. Ideal for snorkeling, boat cleaning, or shallow reef diving (safe depth: 33ft). DOT-Certified Safety & Robust Design: The SMACO S400 Scuba Tank size is 14.2 3.5 in and weighs 5.1 lb, prioritizes safety with DOT certification and a durable 6061 aerospace-grade aluminum cylinder.
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