This accessory item is a replacement cartridge cap for the ST-773 inline dissolved oxygen sensor. Simply remove any guard and twist off the old cap, then twist on the new cap! Simple maintenance for a uniquely designed sensor.
![Pyxis 53712 DCC-1 Replacement Cartridge Cap for the ST-772 Dissolved Oxygen Sensor Pyxis 53712 DCC-1 Replacement Cartridge Cap for the ST-772 Dissolved Oxygen Sensor](https://cdn11.bigcommerce.com/s-xxofluljba/images/stencil/448x448/products/53675/78837/DCC-1-Replacement-DO-Membrane-Cap-for-the-ST-772__57917.1721207281.png?c=1)
![Pyxis 53712 DCC-1 Replacement Cartridge Cap for the ST-772 Dissolved Oxygen Sensor Pyxis 53712 DCC-1 Replacement Cartridge Cap for the ST-772 Dissolved Oxygen Sensor](https://cdn11.bigcommerce.com/s-xxofluljba/images/stencil/160w/products/53675/78836/ST-772-Replaceable-DO-Cartridge__29042.1721207281.jpg?c=1)
Pyxis
Checkout securely with: