Amazon has AirThings Corentium Home Radon Detector (USA Version in pCi/L) on sale for $149.95. Shipping is free.
https://www.amazon.com/Corentium-…B00H2VOSP8
Amazon has AirThings Corentium Home Radon Detector (USA Version in pCi/L) on sale for $149.95. Shipping is free.
https://www.amazon.com/Corentium-…B00H2VOSP8