- Direct Replacement Part
- Fits Standard PH & ORP Probes
- Strong Compression Seal
Reef Octopus Probe Holder
This black nylon compression fitting designed to hold standard pH and ORP probes. Threaded end is 1/2-14 NPT. Includes PVC dummy plug in case probe is unavailable during equipment use. Comonly used for calcium reactors and collection containers to mount switches.