| Trade in your Model 202 for a new Dual Beam Model 205 Ozone Monitor |
For our customers who have older Model 202 Ozone Monitors™ (white select switch, serial numbers < 300), we offer a trade in for a new Model 205 Dual Beam Ozone Monitor™. Newer Model 202 Ozone Monitors (black rotary select switch, serial numbers > 300) may be upgraded to Model 205 Dual Beam Ozone Moniotrs. Please contact us for prices. |
