XP Aqua Duetto ATO 2 CalibrationThe Vectra can be set

CalibrationThe Vectra can be set to auto calibrate to your tank

the parent company of XFLO

XFLO Protein Skimmers combine all the above to deliver one of the most innovative protein skimmers available today

the two sensors also work in concert with the intelligent QST programming to help prevent overfilling

cleaning and adjustments a breeze

XP Aqua Duetto ATO 2 CalibrationThe Vectra can be setFeatures: Worlds smallest dual sensor ATO Two layers overfill protection Intelligent QST programming Secondary optical sensor Super precise water level control Super easy installation; plug and play No programming or adjustments required Works in complete darknessWhy Choose Duetto ATO ? With huge features jammed in a tiny package, the Duetto is the perfect ATO for your aquarium. XPAquas proprietary dual optical sensor packs two precise level sensors