Aqua Lung - Professional Diving Equipment

BC Styles

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Double Cylinder Setup - Using Aqua Lung Twin Tank Kit

The Tank Band Kit for Twin Cylinders (P/N 427042) allows mounting of twin cylinders to your BC in sizes ML, L, XL and XXL only. Please see mounting instructions provided with the kit.

Before adapting your BC for use with double cylinders, it is important to compare the lift capacity of your particular BC size and model with the buoyancy specifications of the cylinders, the amount of weight you will carry, and the type of exposure suit you will wear.

Your BC backpack may also have certain weight limitations depending on the size and model, as double cylinders vary in both size and weight. To ensure your safety, refer to the tag located on the inside BC pocket prior to attaching double cylinders to confirm the approved double cylinders for your particular backpack. If you have any questions regarding the use of double cylinders with your BC, contact your local authorized Aqua Lung dealer, or call Aqua Lung at (760) 597-5000.

WARNING: When fully charged and worn together as doubles, some cylinders may create enough negative buoyancy to counteract the amount of lift your BC can provide. At depth, this can lead to a dangerous situation if your wetsuit becomes compressed and you can no longer achieve positive buoyancy by jettisoning weight. The excess weight of some double cylinders may also lead to structural failure of the backpack. Such an event while diving may separate you from your primary air source, and could lead to serious injury or death.