Particle Mass Concentration Detector with Formaldehyde CO2/PM2.5/PM10 TVOC Temperature/Humidity, Sper Scientific, Mfr#: 900033$342.99+
Cooper Mini Wall Thermometer, Trh122m-0-8, Digital Temperature & Humidity, Dual Display, Cooper-Atkins, Mfr#: TRH122M-0-8$246.99+