Check the listing for details. PLUMBING / WATER SUBSURFACE / UNDERGROUND LEAK FINDER USING CO2. Condition: New. Listed at 500.00 USD. For sale is one DigiLEAK by DigiFLO inc. This is a cutting edge ultrasonic leak detection tester Using CO2. Equipped with internal pump, to sense leaks from subsurface plumbing. DigiLEAK senses heavier molecular weight of CO2 gas. CO2 leaks to the surface and then stays close to the leak. As a result finding the leak can take less than 15 minutes.User Instructions:Print & read the MANUALPlumber typical response:The device was able to detect CO2 gas from a small leak that I was trying to find, and in the end, it was able to pinpoint its location. This was of sufficient help for me to quickly find and repair the leak. All in all, I am satisfied with the operation of DigiLEAK. During my leak finding work, I was able to even better develop my skills, such that now I'm quickly finding even very small leaks.