Link me up.....you're wrong.
HEAVY METALS
Heavy metals such as lead may get into your water from the pipes and plumbing coming into your home. Let PUR filters remove 99% of lead before it comes out of your faucet.
PHARMACEUTICALS
Some tap water is known to contain trace levels of pharmaceuticals including antibiotics, mood stabilizers and hormones.
INDUSTRIAL POLLUTANTS
Nearby factories and chemical plants may leak industrial pollutants like asbestos in your drinking water.
https://www.pur.com/why-filter