Lovibond T-Cal Turbidity Standards - Reliable Calibration for All Turbidimeters | ISO and USEPA Compliant, Ready to Use, Primary Formazine | 800 NTU excelpure Key Features: "Setting the Standard Size:3/8" FNPT Airflow Regulator - 228 SCFM
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Ships within 48 hours · Estimated delivery Oct 28 - Nov 2