Description Catalog number:LS-900Size: 1 DispenserGuaranteed to be compatible with all National Diagnostics scintillation cocktailsSpring-lock cursor design ensures fine adjustment for exact and reproducible dispensingEasily removable PTFE piston for cleaning and smooth actionBorosilicate glass barrel protected with a transparent polypropylene sleeveEasy to adjust calibration mechanismAnti-drip tapGuaranteed compatibility with all National Diagnostics scintillation cocktails, the National Diagnostics Bottle-Top Dispenser has an accuracy of delivery with 0.3% on maximum delivery and a precision better than 0.1% CV.The National Diagnostics Bottle-Top Dispenser is fitted with an anti-drip safety valve, a feature that guards against drips when the Bottle-top Dispenser is not in use. A fine adjustment mechanism allows for even greater reproducibility for repeat dispensing. The right-angled delivery spout ensures accurate dispensing into narrow scintillation vials.Unlike other bottle-top dispensers, the National Diagnostics Bottle-Top Dispenser can be disassembled from the pedestal for thorough cleaning. The dispenser comes with 33, 38 and 45 mm adapters to fit our 1 liter and 4-liter bottles.