Replacement cartridge lasts 1 year for a family of four
To make sure that the plastic wrap that is on the filter cartridge that is inside the filter housing, if there is one, is taken off before use
To take off the hose clamp and put on the needed adapter that is included inside the unit box.
Removes Lead, mercury, crypto, giardia, MTBE, VOC's, THM's
Removes Chlorine and Chloramines
Less than 0.09 a gallon
NSF Tested and certified