Along with activated carbon and an ion-exchange resin, which might be typical to most if not all under-sink filters, Aquasana takes advantage of two added filter systems to obtain its certifications. For chloramine, it provides catalytic carbon, a far more porous—and for that reason far more reactive—form of activated carbon https://letsbookmarkit.com/story16961169/the-ultimate-guide-to-best-air-purifier-for-1500-sq-ft