MWE’s Isolation Transwabs offer a simple swab test for food contact surfaces and processing environments. Test for either Salmonella, Listeria or Coliforms with qualitative results available within 24-48 hours. Presumptive positive result indicated by specific colour change of the media Results are available within 24-36 hours from the start of incubation Self-contained and individually packed Room temperature storage Long shelf life Listeria Transwab An indicator swab to detect the presence of Listeria on food production surfaces. Medium changes from yellow / brown to black in the presence of Listeria spp Result available within 48 hours For a quote on bulk purchases or to enquire Salmonella or Coliform Transwab, please contact us here