BTNX Fentanyl Test Strip Kit for Liquids, Powders, Pills & Urine - Includes: 8 BTNX Rapid Response Fentanyl Test Strips + 10 mg Micro Scoop + 5 ml Cup + Instructions - FentStrips 27.99$
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Jewelers Loupe, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter Save 8.00$ 29.99$
TENS Unit Electrodes Pads, 40 Pcs Adhesive Electrodes, Replacement Reusable Pads Self Adhesive Electrodes with Plug 2.0 mm for TENS Machine 29.99$
100pcs Urine Test Strips Rapid Diagnostic Portable 12 Tests Glucose, Professional Tool for Testing, Applicable to Urine, Labs, Aquariums, Gyms, Pools 12.07$
LAWNFUL Water pH Meter and TDS Meter, pH and 3 in 1 TDS&EC Water Tester Combo, 0.01 pH Accuracy 2% F.S Accuracy TDS/EC/Temperature Meter, Pen Type and Handheld, PPM Meters for Home and Lab 20.99$
4 Packs/320Pcs PH Test Strips, 1-14 pH Strips Tester Litmus Paper pH Test Strips Litmus Paper Saliva pH Test Strips for Water Soil Drinks Vinegar Saliva Urine Food Cosmetic Solutions Soap hydroponics 8.59$
Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy 129.00$
Alcohol Refractometer for Checking Volume Percent of Brandy, Whisky, Vodka etc,Ideal for Bartender, Alcohol Retailer and Food Producing.Range 0-80 v/v. 25.99$