Oakton (WD-35661-70) Deluxe TDS Calibration Kit W-O Meter Loose (GAC) Carbon1350 The integrated Twist Tap in-head

The integrated Twist Tap in-head valve automatically shuts off water flow when you disconnect the filter body for changeouts

Replace your probe when you notice slow response times

organic chemicals

Omnipure has manufactured inline water filters in the USA for over three decades

Rated for iron levels from 0

Oakton (WD-35661-70) Deluxe TDS Calibration Kit W-O Meter Loose (GAC) Carbon1350 The integrated Twist Tap in-headOakton Water Quality Meters Oakton WD 35661 70 Deluxe TDS Calibration Kit W O Meter Field ready calibration kit with NIST traceable standards for accurate TDS testing in demanding environments NIST Traceable Standards 1% Accuracy at 25C Hard Shell Case Five Point Calibration The Oakton WD 35661 70 Deluxe TDS Calibration Kit provides everything you need to maintain measurement accuracy in the field or lab, organized in a protective foam lined case.