MicroTech 9000 replacement filter for PureTouch AquaSuite Looking for a MicroTech 9000 replacement filter? You re on the right product. Average filter life 6 months (750 gallons) Works with 77100 product line Filter reduces poor taste & odor 99% of chlorine 99.25% of lead 99.99% of cysts 97.7% of lindane 97.5%of atrazine 90.45% of mercury and 98.9% of turbidity keeps beneficial fluoride Solid carbon block filter Filtered flow is 1 gpm (4 L/m) 77100 filtering faucet is discontinued 77200 is the replacement faucet.