With a top pressure relief valve, easy to operate, just press the top to remove the gas in the bottle. Waterproof luminous pressure gauge, stylish and beautiful, suitable for use in dark environments. Small size, lightweight and portable, easy to carry and store, bring you a lot of convenience. Helping you to dive underwater completely freely, this is a practical and reliable diving equipment. 1 x Anti Fall Rope.Our aim is to provide Top Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfied. We will always do our utmost to exceed your expectations in customer service, communication and dispatching of your orders. Thank you so much for visiting my store... The item "500ML Scuba Diving Cylinder Mini Oxygen Tank Set Respirator Air Tank Underwater" is in sale since Sunday, October 3, 2021. This item is in the category "Sporting Goods\Water Sports\Scuba & Snorkeling\Tanks". The seller is "tech_gadgets_55" and is located in Shanghai. This item can be shipped worldwide.