Hensen-Stempel Pipettes, large - With spring, 5 and 10mL

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 - 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. Call for replacement spool prices. Ship wt: 2 lbs.

• Large: 5 & 10 mL spools, Excelon body