iSpring AFLT3 Filter Lifespan Reminder for Whole House and Under Sink Water Filter Systems, Up to 3 Stages & 12 Months Countdown

Broad Compatibility: This filter lifespan tracker fits most whole house and under-sink water filtration systems, including iSpring WGB, WCB, US31, and CW series; Waterdrop TSA, TSB, TST, and WHF series; Express Water WH series; Simpure DB series;...