Wiretrol Ii Calibrated Micropipets, Accept Both High- And Low-Viscosity Liquids, Including Corrosives, Pack Of 250

Details:

Accept both high- and low-viscosity liquids, including corrosivesdeliver within 1%one-handed operationsimilar to wiretrol i micropipets, except each pipet has two capacities, thus two easy-to-read volume lines (21-176-2a has six capacities, six lines) that won't wash offmicropipets 21-176-2d, 21-176-3a and 21-176-4a have ptfe-resin tips on plungercompliancecalibrated “to contain”.