Portable scuba tank delivers 5–10 minutes of breathable backup air for short underwater tasks, training, and surface-to-shallow exploration. This compact 0.5L refillable diving cylinder supports up to 30 m/98.43 ft (user-dependent) with a pressure-regulated valve for smoother inhalation. Designed for beginners and as an emergency spare, it packs into the included carry bag and refills via manual pump, compressor, or adapter.

Keep your underwater kit streamlined without sacrificing preparedness. This refillable mini air tank is sized for portability yet built for repeat fills, making it a practical choice for pool practice, boat days, shallow dives, and as a secondary air source. The corrosion-resistant aluminum construction and secure valve design help maintain consistent performance between uses. Confirm local regulations and safe diving practices before use, and always monitor depth and remaining air. Grab yours today and set up your kit before your next trip.