True HEPA Air Purifers Definitely Are Much Better Than HEPA-type Purifiers

When shopping for a HEPA air purifier, you'll often see products labeled as a "True" HEPA air purifier. This can be confusing because, if there's a true, then there must be a false, right? There are a few different things that True HEPA air purifiers are comparing to, but none of them will be labeled as false or sub-standard, of course. It's up to you, the consumer, to know the difference, and know if it affects you. Let's take a look at the True HEPA Air Purifier, and see what they are comparing to.