Comparing the features of the TRIO.BAS™ MINI and MONO instruments for Microbial Air Sampling. Learn more: http://hardydiagnostics.com/triobas/ You can also see our complete list of catalogs in the link below. https://hardydiagnostics.com/catalogs/ We are 100% employee owned and have been serving microbiologist for over 40 years. To learn more about Hardy Diagnostics and the products we offer, visit us at https://hardydiagnostics.com/