Clinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive Index, for Veterinary Dog Cat Pet

Clinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive Index

moveland 3ml Disposable Plastic Transfer Pipettes, Calibrated Dropper Suitable for Science Laboratory, DIY Art (300)

3-in-1 Clinical Refractometer with ATC for Tri-Scale Serum Protein 0-12 g/100ml Urine Specific Gravity SG 1.000-1.050 Refractive Index 1.333-1.360RI w/Extra LED Light & Pipette for Human Use