Amazon.com: UltiCare VetRx U-40 Pet Insulin Syringes, Comfortable and Accurate Dosing of Insulin for Pets, Compatible with Any U-40 Strength Insulin, Size: 3/10cc, 29G x ½'', with Half Unit Markings, 100 ct
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Advocate 31-Gauge 3/10CC (U-40) Pet Insulin Syringes - Pack of 100