GR-100, 0-100% Glycerin Water Refractometer Sprinkler Antifreeze NFPA 13 refractometer Consult with your local Customs

Consult with your local Customs office to be sure what your rates may be

disinfection and drinking water

Simply place a drop or two of propylene glycol in the stainless-steel sample well and press a button

Scale 2 Fluid: Urine - Human

5mm ferrules which in corporates a "positive grab" mechanism to allow one handed operation

GR-100, 0-100% Glycerin Water Refractometer Sprinkler Antifreeze NFPA 13 refractometer Consult with your local CustomsNI Supply GR 100 Portable 0 100% w w Glycerin Refractometer THIS IS THE BEST PRICE IN THE WORLD FOR A GLYCERIN IN WATER REFRACTOMETER New Fire sprinkler laws (NFPA 13) got you worried? Worry no more! You've found the unit to test the concentrations of Glycerin in Water and determine your pipes FREEZE POINT! This is the Refractometer the Professionals use! The User's Guide that comes with the unit will show you the Freeze Point of Glycerin and Water