UMA 8050 Pro Sensor Elite Capsule, (Baltic capsule UML #2407), , Trigger Capsule UML for Baltic inflatable life jackets. When you buy a new inflatable life jacket, it comes complete with CO2 cylinder and cartridge/capsule trigger, if your inflatable life jacket deploys, you need to reload it with a new gas cylinder and trigger., , How do I know which trigger fits my inflatable life jacket?, , Inside the life jacket on the inflatable lung, information is printed on which gas cylinder & trigger fits your life jacket. For example USE ONLY BALTIC Capsule UML # 2407