Pre-Filter for the Focustronic Alkatronic or Mastertronic.
Regularly replacing your pre-filter prevents contaminants and large particles from your sample water from entering the Alkatronic or Mastertronic unit testing unit, ensuring more accurate and reliable test results.
| Compatible with Controllers | Apex, GHL |
|---|---|
| Control Type | WiFi / App (Included), Bluetooth |
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