Calibration Salt Check for Hygro-i probes. Designed to produce a 75% RH environment within the chamber which may be used to ensure the calibration of the Hygro-i ® RH probe is optimum.
Best fit for Edco cleaning or mop heads; this handle is best for a more efficient floor cleaning because if its spray feature which lets you spray fluid on the floor to easily remove dust or dirt on the floor.
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