NEW YORK – 3M Co. (MMM) Thursday said it would acquire filtration products maker CUNO Inc. (CUNO) for about $1.35 billion in a move to capitalize on the growing need for water purification globally.

Depth filtration represents a process in which suspended particles or liquid droplets are separated from the carrying fluid in thickness or within the depth of filter medium. A depth filter is ...

3M announced today that it is to acquire CUNO, a manufacturer of filtration products, for $1.35 billion. today entered into an agreement for 3M's acquisition of CUNO for $72 dollars per share, valuing ...