The Professional Radon Gas Test Kits – All you have to pay is the $20 lab fee per detector when you return your detectors with the pre-paid postage envelope included in your kit. And you will receive your results within one week from when we receive your detectors. ...
you may want to check out theSafety Siren Pro Series3 Radon Gas Detector; it’s the only other consumer-grade reusable radon detector we could find. At $129, it’s a good bit cheaper than the Corentium Home, but there are two potential drawbacks: ...