Thank you for purchasing Neptune ESP reloads. Neptune racks will be upgraded to the new, easy to use Optimus Rack. It’s redesigned structure and  increased functionality gives you a seamless workflow inside the lab.

With this upgrade, the new ESP Reloads will not be compatible with the previous rack version you have used in the past.

Request compatible empty racks at no charge by filling out the form to the right. You should receive them within 10 business days.*

If you have any issues, please contact us at or reach out to your local sales rep here.
 *This empty rack promotion is only redeemable in the US and Canada. If you are not located in the US or Canada, please contact your distributor for compatible empty racks.
Fill out the form below to receive your
new empty racks