Hanna (HI7031L) 1413 µS-cm (µmho-cm) 1 x 500 mL bottle Mixed Bed DI1411 For commercial equipment or high-use

For commercial equipment or high-use residential systems

Verify your valve series before ordering

Durable composite construction withstands continuous operation in tap water applications

Flush the filter for 3-5 minutes to remove carbon fines and activate the polyphosphate media

unplug the ballast from AC power

Hanna (HI7031L) 1413 µS-cm (µmho-cm) 1 x 500 mL bottle Mixed Bed DI1411 For commercial equipment or high-useHanna Instruments HI7031L 1413 S cm Conductivity Calibration Solution 500 mL bottle of precision conductivity standard for accurate meter calibration 1413 S cm 500 mL Bottle General Use Lab Grade The Hanna HI7031L is a 1413 microsiemens per centimeter conductivity calibration solution designed for routine meter calibration across laboratory and field applications. This mid range standard provides the most practical reference point for general