The product is a universal faucet mount water filter with a carbon cartridge. Replacement cartridge FC2018-1-AQ adsorbs radon, haloacetic acids (HAAs), THMs and hydrogen sulfide (rotten egg) gas. Eliminates chlorine and chloramine disinfection chemicals that cause taste and odour problems. Removes industrial organic chemicals, pharmaceuticals and VOCs that contaminate water sources. Strips out harmful metals like aluminium, lead and cadmium and copper.