Sterisil Pre-Filter Replacement Filters, 12/Pkg, for AC+, G4, and G5 Water Systems

This pack contains 12 replacement pre-filters for Sterisil water treatment systems, including the AC+ Autoclave Water System, G4 Autoclave and Dental Water System, and G5 Intelligent Autoclave & Dental Water Purification and Treatment System. The pre-filter reduces particulates in incoming source water, improving water quality entering the system. It is highly recommended for water sources with 250 total dissolved solids (TDS) parts per million or higher, though not required for system function.