New Wave Enviro Barrier Eco Pitcher with Bacteria and Cyst Removal Cartridge Barrier Eco Water Filter Pitcher with Ultra bacteria and cyst removal cartridge; 2.6 L pitcher volume Barrier Ultra bacteria and cyst removal cartridge filters 80 gallons; Filter change half as often as any other brand 99.9% reduction of bacteria and cysts per NSF 98.8% Aesthetic chlorine reduction per NSF Cadmium, copper and mercury reduction per NSF