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Stop guessing your tank levels. The 709-BTP7 SeeLevel II uses external sensors for accurate readings on fresh/gray/black tanks and pushes live data to your phone with built-in Bluetooth.
Learn moreStop guessing your tank levels. The 709-BTP7 SeeLevel II uses external sensors for accurate readings on fresh/gray/black tanks and pushes live data to your phone with built-in Bluetooth.
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