Test Tube Holder accommodates test tubes with 14-20 mm OD. Two may be stacked for increased capacity. Stacked holders can't accommodate an upper rack. Constructed of type 304 stainless steel. Requires Labconco Test Tube Spindle Conversion Kit 4575300 and Lower Spindle Rack manufactured after October 2020 (not included).
Test Tube Holders are add-on accessories to the Lower Test Tube Spindle Rack. The Holders keep tubes upright. Constructed of Type 304 stainless steel.