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Open the safety line
Open the Velcro fastener and release the safety line.

Screw in the cartridge
Fold away release lever to avoid piercing the new CO2 CARTRIDGE.
Switch the release lever to the green postition to avoid piercing the new CO2 CARTRIDGE.
Screw the new original RESTUBE CO2 CARTRIDGE tightly and up to the marking into the trigger mechanism.

Wrapping the safety leash around the buoy
Wrap only once until the yellow thread ends!
Hold the folded buoy firmly in one hand. Use the free hand to wrap the safety leash exactly once around the buoy and the back end of the CO2 CARTRIDGE.
Do not wrap the remaining safety leash further around the buoy – store it behind the CO2 CARTRIDGE in the pocket.
Pack away the folded buoy into the pocket.
Instruction Videos
Find a detailed instruction for each Safety Buoy version in the videos below.
Detailed instructions on how to pack your Safety Buoy correctly can also be found in the instruction manual and printed on the buoy and bag.
Do you have an older version of the Safety Buoy which is not included above? The simple principle is always the same. If you still have questions, feel free to contact us!
Buy CO₂ CARTRIDGES
ATTENTION: Only the original RESTUBE CO2 CARTRIDGES are 100% quality tested, seawater resistant, fill level tested (exactly 10.9g for BEACH or 16g for ACTIVE, EXTREME, AUTOMATIC und LIFEGUARD) and have a cap that is matched to the trigger with the appropriate release force. The cartridges comply with the standard for life jackets DIN EN ISO 12402-7. If other cartridges are used, it cannot be guaranteed that the RESTUBE Safety Buoy will fill without problems in an emergency and the trigger may be damaged.
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Our latest Blog posts

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In collaboration with the Swiss Council for Accident Prevention (BFU), RESTUBE developed the Aare RESTUBE – an adapted swim buoy featuring a release mechanism that detaches under pressure, preventi...

Beach Bliss with Your Four-Legged Friend: Safe Splashing Thanks to a Dog Life Jacket
Sun on your skin, paws in the sand, and joy in the air – a beach day with your dog is the ultimate getaway. But between playful waves and hidden currents, even the strongest pups can get into troub...

DRF Luftrettung relies on RESTUBE AUTOMATIC 75 – Life-saving immediate aid from the air
When every second counts: DRF Luftrettung now equips all 31 bases with the RESTUBE AUTOMATIC 75. The automatically inflating rescue buoy can be dropped directly from the helicopter into the water, ...