Weird Looking Little Reef Tank Powerhead With a Whole Lot of Potential! Tunze Turbelle Nanostream | DC controllable aquarium powerheads and pumps are pretty much the go to for saltwater tanks these
Power Backup for your Reef, Tunze Safety Connector - YouTube
Battery Backup - IceCap
Turbelle® nanostream® 6095 - Tunze
Tunze USA 6105.500 Safety Connector for Battery/Solar Backup of Turbelle and Stream Electronic Pumps : Aquarium Filter Accessories : Pet Supplies - Amazon.com