Milli-Q Direct Description Milli-Q® Direct Water Purification System is a single device, in which both RO (Type 3) water and ultrapure (Type 1) water are produced directly from potable water. Request Info Other Products From Merck Life Science Milli-Q Direct Read More » Simplicity UV Read More » Direct Q UV Read More » SNAP i.d.® 2.0 Read More »