If item is defective after 3 months, you can still send it back to us. The item "0.5L Diving Mini Scuba Cylinder Oxygen Respirator Tank Underwater With Air Pump" is in sale since Monday, August 24, 2020. This item is in the category "Sporting Goods\Water Sports\Scuba & Snorkeling\Tanks". The seller is "za-fashionjewelry" and is located in China. This item can be shipped worldwide.