Replacement frequency depends on the specific filter stage and your water quality and usage volume

The meter comes with MA814DB/1 (4 ring) conductivity probe

Power Stick Alkaline Filter — Portable mineral filter for creating alkaline water on-the-go

Behind-the-wall installations

Cable Length: 3 ft (1 m)

Milwaukee T76 Waterproof High Range TDS Pen - 0-9990 ppm Total Dissolved Solids Meter lab equipment accessories Replacement frequency depends on theMilwaukee T76 Waterproof High Range TDS Pen Precision Total Dissolved Solids Testing The Milwaukee T76 Waterproof High Range TDS Pen delivers fast, accurate measurements of total dissolved solids (TDS) from 0 to 9990 ppm, making it ideal for hydroponics, pool maintenance, aquariums, drinking water testing, and industrial water treatment applications. This rugged, waterproof pen combines lab grade accuracy with field ready durability. Key Features High