Hensen-Stempel Pipette Stndard w/Spring-1 and 2 mL

Hensen-Stempel Pipettes, standard - With spring, 1 and 2mL 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. • Small: 1 & 2 mL spools, polycarbonate body • Large: 5 & 10 mL spools, Excelon body • Extra Large: 25 & 50 mL spools, CAB body