TSU applicator (Each) Allflex tissue sampling unit (TSU) for the collection of ear notch samples. Login to see prices SKU: SSENPUNCH Category: Sample collection (tubes) Tags: bvd, ear notch, sampler Related products Vacutainer SST Gel Tube – 3.5 mLLogin to see prices Capillary / haematocrit tubesLogin to see prices Vacutainer serum – clot activator (red top)Login to see prices Vacutainer® Needle HoldersLogin to see prices