Cartridge trigger BALTIC UMA 5000, United Moulders UM #2520

UMA 5000 (Baltic cartridge UM #2520)
Cartridge (trigger) United Moulders for inflatable life jackets. When you buy a new inflatable life jacket, it comes complete with CO2 cylinder and cartridge trigger. If your inflatable life jacket deploys, you need to reload it with a new gas cylinder and cartridge trigger.
How do I know which cartridge trigger fits my inflatable life jacket? Inside the life jacket, on the inflatable lung, information is printed showing which gas cylinder and cartridge fits your life jacket.