Editor's Note: Each month in his What’s Cool column, Bill Pregler writes about products that are smart, make your tasks easier and provide cost or labor savings. Send new product information to Bill Pregler at bpregler@winebusiness.com Earlier this year I found an integrity tester for membrane filters called the CUNO MiniCheck (a 3M Company). It combines a lot of great features into a small, hand-held device perfect for any bottling line. Membrane filtration, just prior to bottling, is ...