Use Feline Focus CAT VAX 3, Single Syringe to keep your cat protected against Rhinotracheitis, Calicivirus, and Panleukopenia. Available in a convenient one dose syringe. Feline Focus CAT VAX 3 is for cats eight weeks and older. Please Note: We are unable to ship this product to the following states: CT, DE, IL, MN, NH, NJ, and NY. This product requires overnight expedited shipping and ships Monday through Thursday. During summer months, the purchase of 1 or 2 additional ice packs is advised.