Test Tube Spindle Conversion Kit includes six spindle arns with eight spindles per arm and a supportive base. Requires Test Tube Holder Insert 4574700, 4574800 or 4574900. For use in Labconco Lower Spindle Racks manufactured after October 2020.
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.