Serial number on a Sense Herakles Pro tank?

[DrTorben]

Is there a serial number on a sense Herakles Pro? I´ve been asked for the serial number by the seller in a warranty and refund discussion, and I can´t find any serial number..
Help me out, please..

 

[Ragnar94]

Dunno if this is any good? Sense Herakles Pro

 

[DrTorben]

Dunno if this is any good? Sense Herakles Pro

Mine is leaking, and it uses a lot of juice, the flavor is ok

 

[Ragnar94]

Mine is leaking, and it uses a lot of juice, the flavor is ok

Sorry mate meant to link this Certification

 

[Topwater Elvis]

Most likely asking for the number under the scratch off authentication/security code on the box.

 

[DrTorben]

Most likely asking for the number under the scratch off authentication/security code on the box.

I finally figured that out..