Besto, recharging kit for automatic lifejackets UML 150N MK5 suitable for all 150N automatic lifejackets with United Moulders System MK5 with 33g CO2 cartridge. The set contains a CO2 bottle, the release cartridge and safety clips. You can replace the cartridge yourself. (Necessary at least every 1-2 years or after triggering). At least one recharging kit should always be carried on board to make deployed lifejackets ready for use again! Please state the year of manufacture of your lifejacket when ordering! The decorative items shown in the product images are not included in the scope of delivery!