Do I have an Old School Dopper or a New School Dopper?

We currently have two versions of the Dopper Original which are not interchangeable. 
Look at the picture below and you will see the Old School Dopper with a higher thread than the New School version. Secondly, the cup on the Old School Dopper has a white ring and the New school version has a blue ring inside. The caps are universal. 

Not sure which version you have, please contact us via our contactform down below! 

 

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