Bottle top dispenser with recirculation valve

The recirculation valve helps users clean quickly without wasting any reagents.Specially designed unique springless valve provides better chemical compatibility, no chemical deposits, and minimizes maintenance.The presence of the unique springless valve, PTFE piston and ETP O-ring provides better chemical compatibility, ensuring smooth and effortless wiper-like piston movement.Adjustable delivery nozzles provide users with flexibility in demanding laboratory conditions.Neck adapters in different sizes (28, 30, 32, 36, 40 and 45 mm) ensure compatibility of the dispenser with most reagent bottles.Tools are included with each dispenser to facilitate easy and quick recalibration.A modern and well-designed silhouette with a silky surface finish.Individually calibrated according to ISO 8655-2.Autoclavable.