When your air filters are clogged, your HVAC system has to work much harder to pull air through. And it’s not just a slight increase in effort—imagine trying to breathe through a straw while ...

How does it work? Imagine you're sipping a smoothie, but before you take a gulp, you have a handy straw filter. That's kind ...

A measure of how effectively the filter removed flavor taints, along with the resulting odor taints, that CR added to plain water with minimal intrinsic flavor and odor (the "control" water).