Oakton (WD-35661-70) Deluxe TDS Calibration Kit W-O Meter Loose (GAC) Carbon1350 Rated for iron levels from

Rated for iron levels from 0

The Payne PPV111TQC Residential Membrane Prism is a standalone membrane housing designed for ease of installation in home reverse osmosis systems

this tape-wrapped element offers the same high-quality membrane technology as Dow's industrial line at a price point suited for smaller commercial installations

Inspect and lubricate the o-ring

Oakton (WD-35661-70) Deluxe TDS Calibration Kit W-O Meter Loose (GAC) Carbon1350 Rated for iron levels fromOakton 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.