GHL Doser 2.1 upgrade to 2.2?

[Gungo]

What is the cost of this upgrade? Now that ive tried the new models, seeing that most of the connection issues have been solved i want to upgrade my 2.1 to 2.2.

 

[Vinny@GHLUSA Verified Sponsor]

The D2.2 Upgrade kits are available on request. They're $141.90 plus shipping. If you would like to order one, please send us an email with your mailing address; [email protected]

 

[nickm]

The D2.2 Upgrade kits are available on request. They're $141.90 plus shipping. If you would like to order one, please send us an email with your mailing address; [email protected]

What's the upgrade do? Is the description on the website?