The Water Purifying Carbon Filter Straw is compatible with all existing Frank Green bottle lids, so there’s no need to splurge on a whole new set. Frank Green, Water Purifying Carbon Filter ...

The Water Purifying Carbon Filter Straw is compatible with all existing Frank Green bottle lids, so there’s no need to splurge on a whole new set. Frank Green, Water Purifying Carbon Filter ...

And what we want, Frank Green delivers. Today, the brand launched its new Iced Coffee Cup with Straw, a revamped version of their 3-in-1 Cup, which is perfect for long, hot days, where an icy ...