ONiLAB 1L Bottle Top Dispenser with Round Media Storage Bottle (10-100ml) - Precise Liquid Measuring for Laboratories, Science Experiments & Chemical Research

Optimum Chemical Resistance and Better Smooth Movement –Seamless BSG high borosilicate glass piston and cylinder design and spring-less pistion mechanism for high chemical resistance and wider chemical compatibility (a wide range of acids, bases, solvents, organics, and inorganics) , provide better movement for convenient sampling and low pressure dispensing

High Precision and Calibration Certificate Included– ONiLAB bottle top dispensers are certified under ISO 9001, ISO 13485, ISO 17025, and CE. They perform better than ISO 8655 standards (0.5% accuracy) in practical lab environments，each instrument is individually calibrated and comes with a calibration certificate ,the certificate guarantees ISO level accuracy and precision

Superior Quality and Sterility - The high-quality materials in all parts conveying medium enable the use within a temperature up to 40 °C, and the unit can be steam sterilised at 121 °C, the autoclaving instructions is in the provided user manual

User-friendly Recirculation System - equipped with a unique comfortable media recirculation system. Venting is realised simply, reliably and rapidly with a single rotation – without reagent loss

Various Adapters &Telescoping Filling Tube &Hinged Closure Cap - Various adapters allow the dispensers to be used on bottles of different sizes; Telescopic, extractable intake tube adapts dispenser to bottles of varying heights; Hinged closure cap does not interfere while dispensing