TUDIVING 1.9L Mini Scuba Tank Up to 30-45 Min Dive Time, Portable Diving Cylinder for Scuba Diving, Lung Air Tank Snorkeling &Emergency Rescue Carbon fiber gas cylinders This system is CE-certified and

This system is CE-certified and features an advanced activated carbon filter

explosion and corrosion

Product Neck Thread: M18x1

activated charcoal

The third method is to use a hand pump

TUDIVING 1.9L Mini Scuba Tank Up to 30-45 Min Dive Time, Portable Diving Cylinder for Scuba Diving, Lung Air Tank Snorkeling &Emergency Rescue Carbon fiber gas cylinders This system is CE-certified andNEWEST UPGRADED DESIGN: Extended Pressure Gauge & Hands Free Vest. Keep track of your air supply easily with the extended pressure gauge and enjoy secure, comfortable diving with the adjustable hands free vest. Perfect for maintaining control and stability while underwater. UP TO 30 45 MINUTES OF AIR & TRAVEL FRIENDLY: This compact 1. 9L scuba tank delivers ample air for up to 45 minutes* at shallow depths (around 30ft). Its lightweight aluminum