mooth plunger movement for precise dispensing of liquids. Springless PTFE valve manifold for exceptional functionality/chemical compatibility.Fully Autoclavable at 121″ C, 15 psi for 10/15 minutes. Simple “Quickset” volume adjustment knob. Made for standard 30 mm threads and includes five adapters (28mm, 32mm, 36mm, 40mm and 45mm). Adjustable nozzle with cap to facilitate dispensing and prevent dripping. Easy to disassemble for cleaning and servicing. Individually calibrated in accordance with ISO 8655 standards and includes a calibration certificate. Compatable with all reagents except HF.