NEPTUNE SYSTEMS APEX FMM OPTICAL LEVEL SENSOR V2 (OS-1) Simplicity commonly abbreviated as dKH

commonly abbreviated as dKH

The Filter Sock Plate can be installed with filter socks as shown

1ml at a time

Intake Barb Size: 1"

Let MAXOUT PRO clear your water and help balance your parameters

NEPTUNE SYSTEMS APEX FMM OPTICAL LEVEL SENSOR V2 (OS-1) Simplicity commonly abbreviated as dKHOptical Level Sensor (OS 1) This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto top off), as a high level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted into custom brackets or through a hole in a vessel. Included are a fastening nut and