A/CO2-R2O-20K Qty: -+ SKU: ACO2R2O20K $243.96 Quantity discounts available QuantityPrice Add to Cart Call for Availability - (510) 636-7900 DetailsDetailsCarbon Dioxide Sensor, Room, 0-2000 PPM (0-5V, 0-10V, 4-20mA), Temp (20K), Override