Test Frequencies: 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz+2% Email us for further description. KahnTact USA Inc - Hillside, IL 60162 - Medical Equipment Distributor We are a distributor of new and refurbished medical equipment and medical supplies. As well as a provider of training for Spirometry, Breath Alcohol and UDS Collector. |