Milwaukee ORP Controller - MC510 feeding acc The flow sensor itself uses

The flow sensor itself uses British Standard Parallel Pipe (BSPP) threads so two specially designed PVC unions are provided with slip fittings to adapt it to standard 1/2″ PVC plumbing

Platinum ORP electrode (BNC connector)

so that the material is always in the water

Sponge Power - Designed for filter feeders such as sponges

Milwaukee ORP Controller - MC510 feeding acc The flow sensor itself usesBenefits Milwaukee MC510 ORP Controller Monitor is a smart device that automatically monitors and control ORP levels and alerts you to any drastic changes in ORP that occurs in the aquarium waters. Use the Milwaukee MC510 ORP Controller Monitor to keep ORP within healthy levels to ensure the safety of your aquarium inhabitants. The Milwaukee Instruments MC Controllers have a user selectable set point and a visual Power Activated LED notification