SMACO S700 Max Mini Scuba Diving Tank 1.9L Double Scuba Tank Reusable Small Pony Bottle with 30-45 Mins Portable Twin 1.9L Diving Air Tank Kit Diving Oxygen Cylinder

1、【NEWEST UPGRADED】: The pressure gauge is connected with extension hose, It's more convenient to check the air remaining amount when using S700 Max diving tank underwater.At the same time, This scuba kit gives you a vest to hold the tank.You can free up your hands to do other things. 2、【LARGER CAPACITY BUT PORTABLE】:SMACO 1.9L double scuba tank can explore underwater for up to 45 minutes.(Attention: Diving depth, temperature, and breathing rate will affect the use time of the scuba tank).The S700 Max features an innovative linked-rod design that increases the tank’s capacity from 1.9L up to 3.8L. This mini diving tank is lightweight and compact, providing an easy-to-transport design for divers on the go. 3、【Support BCD】: The S700 Max mini Scuba Tank is also designed with a 360° rotating interface for buoyancy control devices (BCDs), You only need to configure a BCD quick connector to attach the S700 Max to your BCD. 4、【WIDELY APPLICABLE】: The SMACO twin 1.9L scuba tank kit is a dive & snorkel system. Not only can this kit be used as a redundant air source, it can serve you in several shallow water activities like recreational diving,treasure hunting,lobstering, boat inspection, boat cleaning, rapid entry rescue diving, pool inspections and more. 5、【3 REFILL OPTIONS】:1. Local Dive Shop. SMACO scuba tank meets DOT standards and can be filled at local Dive Shops. 2.SMACO 8mm refill adapter. Connect to a standard scuba tank to refill yourS MARCOS 700 Max in 32 seconds. 3.SMACO Air Compressor. It allows you to fill your 3.8L diving tank by yourself without any effort, in about 90 minutes.(Note: high pressure hand pump cannot fill the S700 Max)