8.8 x 45mm Micro Titertube Natural with Frosted Writing Area Bio-Rad Description: Micro Titertubes offer additional volume capacity for sample dilution and/or mixing prior to transfer into microtiter plates Pre-racked in an 8 x 12 format Available plain or with frosted writing areas Micro Titertubes can be autoclaved, sealed, and frozen for storage Ideal for a wide variety of laboratory procedures such as HTLV-III testing, RIA, EIA, PCR, pharmaceutical quality control, blood bank sample freezer storage, or transport of specimens and reagents.