The chamfered outlet spout (23mm) fits in narrow threaded necks and allows easy and clean dispensing and has a high flow rate of 5 litres per minute, due to the patented ventilation system and leak-proof even when used with aggressive chemical compounds and strong creeping fluids. Comes with a screw cap. To suit 10 & 25 litre water containers. Fast, cleanand splash-free dispensing without gurgling.