Home Slickdeals Airthings Corentium Home Portable Radon Detector $99 + Free Shipping via Amazon Slickdeals Airthings Corentium Home Portable Radon Detector $99 + Free Shipping via Amazon By ARCOM - 27 January 2022 54 0 SHARE Facebook Twitter Go to the deal page: Airthings Corentium Home Portable Radon Detector $99 + Free Shipping via Amazon