Instapure R8 ULTRA Tap Water Filter (Chrome) ANSI/NSF Certified 42 for the reduction of Chlorine (Class II) taste and odor ANSI/NSF Certified 53 for the reduction of Cysts, Lead and 53 other contaminants Also known as F8RC-1ES No tools necessary for installation Not for sale in California Save Space and filter up to 5X more water than typical Pitcher Filter. Save Money and the Environment vs. Bottled water! 99%of Lead 99%of Microbial Cysts 99%VOC&#039;s 97%of Chlorine Taste &amp; Odor