Plus Inno Sense Filter (CIFN14-PLUS) | 16 Months | $36 /, Plus Sediment Filter (CSFN14-PLUS) | 4~6 Months | $32 /, Pre Carbon Filter (CCFN14-PRE) | 8 Months | $36 /, RO Membrane Filter (CRMFN14-50) | 20 Months | $145 /