Sowester Lifejacket Kit 33g Cylinder & UML MK5

The Sowester Lifejacket Kit 33g Cylinder & UML MK5 automatic head cartridge is a convenient automatic lifejacket re-arming pack.For optimal safety and performance, we strongly recommend having your lifejacket serviced at our dedicated service station in accordance with the manufacturers guidelines. Our trained technicians ensure all components are inspected and replaced to the highest standards.However, if you are experienced and competent in lifejacket maintenance, you may choose to replace the parts yourselfIncludes33g Gas CylinderUnited Moulder UML MK5 Automatic CartridgeRetaining Clips (Selection to suit all united moulders)How to Identify the Right CylinderCheck the manufacturers label inside the lifejacket Open the lifejacket and locate the technical/specifications label (usually near the inflation mechanism or on an internal pocket). It will clearly state the required CO cylinder size (e.g., 24g, 33g, 38g) and often the compatible re-arming kit.Inspect the current cylinder If one is installed, note the gram weight stamped on it and any model markings. Also check the thread size (most common are 1/2″ or 3/8″), as this must match for a secure fit.Refer to the owners manual The manual for your exact model will specify the correct cylinder size and re-arming kit.