Spare Cylinder Set set for SECUMAR lifejackets containing a CO₂-cylinder, two soluble pills and safety pins (if applicable). SECUMAR cylinders exist in two variations:

• with bayonet,
• with screw thread.

Cylinders with bayonet are fitted in the inflation devices SECUMATIC 4001S and SECU 401S. They are named with the suffix “Dock”. Cylinders with screw thread are fitted in the inflation devices SECUMATIC 3001S, SECU 301SM and SECU S31. Additionally the size of the CO₂ cylinder (in grams) is important. It is dependent on the size of the buoyancy chamber of your lifejacket.