Santevia Gravity System Fluoride Filter 3-Pack Combo - 1-Year Supply 891144000014 and electrode wear that degrade

and electrode wear that degrade measurement accuracy

pH Calibration: Manual

This electrode is low maintenance (no filling solution required)

5 bar or 50 feet head

and built to last

Santevia Gravity System Fluoride Filter 3-Pack Combo - 1-Year Supply 891144000014 and electrode wear that degradeSantevia Gravity System Fluoride Filter 3 Pack Combo Best Value Get the best value and never run out of filters with the Santevia Gravity System Fluoride Filter 3 Pack Combo. This complete bundle includes 3 fluoride filters plus 1 ceramic pre filter, giving you a full year (12 months) of clean, mineralized alkaline water with superior fluoride removal. What's Included in This 3 Pack Combo 3x Fluoride Filters (4 months each = 12 month 1 year supply) 1x