The 1-pc push-on closure is used for water cooler containers (3, 5 and 6 gallons) made out of PC or PET is compatible to the most of the bottle necks. The closure is designed with a tear-off pull-ring to remove the closure easily before re-filling...

This press-on closure for 5 gallon water container, with bi- injected seal has a non-spill valve function.