Protaphane (Insulin) 100IU/mL 10mL Vial Lantus $33.90 PRESCRIPTION REQUIRED FOR THIS ITEM This item is a prescription medication. A prescription is required from your veterinarian before we can supply this product. Please ensure that you have read the... Qty in Cart: 0 Quantity ( in cart): Decrease Quantity: Increase Quantity: Price: $33.90 Subtotal: Add to Cart