TSI Alnor 801204 Bio Hood, 8 inch. (200 mm) Kit. Product made in USA and comes with NIST Certificate of Calibration.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.