Photo 1 of AMTAST Veterinary Refractometer Urine Gravity 1.000-1.060 Pet Urine Refractometer with ATC Hand Held Serum Protein Refractometer for Cat Dog, Made of Copper Not Cheap Aluminum (Model AMR016)

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Photo 1 of AMTAST Veterinary Refractometer Urine Gravity 1.000-1.060 Pet Urine Refractometer with ATC Hand Held Serum Protein Refractometer for Cat Dog, Made of Copper Not Cheap Aluminum (Model AMR016)Photo 2 of AMTAST Veterinary Refractometer Urine Gravity 1.000-1.060 Pet Urine Refractometer with ATC Hand Held Serum Protein Refractometer for Cat Dog, Made of Copper Not Cheap Aluminum (Model AMR016)