Buy & SellElectronics & AppliancesAirthings Wave Plus air monitor/radon monitorAirthings Wave Plus air monitor/radon monitor$130Smart air monitor. Measures radon, co2, vocs, and temperature. ConditionGoodBrandAirthings WHERE TO MEETCheck LocationView MapSELLERErikaGriesbach150 reviews0 chats·0 favorites·9 viewsSEND CHAT TO SELLERHi Erika! I’m interested in your listing.Hi Erika! I’m interested in your listing.Get the Karrot app to chatSign In to chat