... open the lid we can supply different kinds of 3/5 gallon caps, three-in-one, two-in- ... industry standard for quality and performance, for use with 3 or 5 water cooler bottle sizes. 2)For ... probe actuated water coolers, we offer a cap with an innovative valve and feed tube system. ... colours, but blue and natural are the most popular.3)A non self-adhesive label is standard, providing full tamper ...