McKesson Brand - McKesson Test Tube Plain 5 mL Without Closure Glass Tube [250/BX]

5 mL premium-quality, clear glass tubes provide excellent chemical resistance and durability.. 12 x 75 millimeters. Nonsterile and without color coding.. Chemically inert tubes, made from superior quality borosilicate glass to reduce pH changes and contaminants that are potentially leached from tubes made from soda lime glass. Round bottoms and fire-polished rims. Can be used for tissue culture and blood banks. Rigidly controlled dimensional specifications for reliable, uniform results. Produced in an ISO 9001:2008 Certified Factor.. Specially packaged neatly in heavy-duty boxes, shrink-wrapped in plastic film to keep them particle-free and prevent breakage during shipment.