Feature: Package include 1hand pump, 1oxygen cylinder head, 10.5L oxygen cylinder, 1wrench and 1package of accessory for air pump. Inflated pressure is not allowed to be more than 3000 psi/200 bar/20MPa. Easy and quick to fill the 0.5L air tank in 7-10 minutes Filled 0.5L oxygen cylinder allows to stay underwater(no deeper than 10 meters) for about 5-10 minutes. The respirator is alloy constructed and the hand pump is made of strong steel, durable and reliable. Material: Aviation aluminum + Food Grade silicone + Steel Working temperature: >10°C (50°F).Hand pump: 61 26.8cm / 24.0 10.5in Respirator: 35.2cm / 13.9in. Total weight: 3.5kg / 7.7lb Package weight: 4.0kg / 8.8lb. 1 Oxygen Cylinder Head 1 0.5L Oxygen Cylinder. 1 Package of Accessory for Pump. Please do not use the product before reading the instruction and notes. Do not try to use it as air supply in deeper water(more than 10 meters). Do not fill the cylinder with oxygen content greater than 40%. Store the product in a cool, dry place, avoid direct sunlight, do not put it in car trunk, and do not expose it above 160°C open fire. The item "UK SMACO S300+Mini Diving Kit+Air Pump Breath Underwater Scuba Oxygen Tank T3Z4" is in sale since Wednesday, August 19, 2020. This item is in the category "Sporting Goods\Scuba & Snorkelling\Cylinders & Tanks". The seller is "picicot" and is located in Leicestershire. This item can be shipped to United Kingdom.