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$ 86.60 USD
An easy, quick method for sub-sampling plankton samples. Wide bore pipettes are ideal for accurately filling Sedgewick-Rafter, Palmer Cell or Ward Counting Wheel. In three sizes, each with two different, changeable Delrin plastic spools, polycarbonate body. Spool size determines sample size. Handi-Grip plastic handles, and stainless steel springs. Also known as Aliquot Transfer Pipettes. Available with and without spring-loaded plungers. Replacement spool available.