10mm fan mount for the Victron Orion 12/12-30 DC charger to help out with cooling.
Can fit anywhere from 1-3 fans, and bolts in securely using factory hardware.
Also available to purchase on Etsy: https://www.etsy.com/listing/1492930910/victron-orion-dc-dc-charger-cooling-fan
The author marked this model as their own original creation.