The supplier would like know which parts of the cylinder leak air?
The FV50T_S/N: 10337 is near to a year. So,the supplier would offer you a new O-ring kits instend of offering a new cylinder
The cylinder could be diassemble and replace a new O-ring kits, and use continually
could be diassemble and replace a new O-ring kits, and use continually
instend