2016 Apex controller, complete with Energy Bar 6, Apex Display, Apex Controller, PM2 Module, Temp probe, pH probe, Orp probe and all Aquabis cables. Has been used on my aquarium for 18 months, no issues at all. An excellent piece of kit that will make keeping an aquarium a bit more stress free. The item "Neptune Systems Apex Controller" is in sale since Thursday, September 16, 2021.This item is in the category "Pet Supplies\Fish & Aquarium\Meters & Controllers". The seller is "fosterbilly" and is located in Sevenoaks. This item can be shipped to United Kingdom.