Eshopps Eclipse S Product Review and Installation Guide
I purchased this overflow from BRS to install on my 40B reef tank. There is one regular drain and one emergency drain that goes into my custom 20L Sump. The sump was built using a precut acrylic baffle kit from Fuji Cube. Happy Reefing.
Purchased at Bulk Reef Supply -
https://www.bulkreefsupply.com/eclipse-s-overflow-box-600-gph-eshopps.html
20L Sump Kit -
https://www.fijicube.com/collections/sump-diy-kit/products/sump-baffle-kit-20-gallon-fiji-cube