NEOVELA For Dogs weighing between 20.1kg - 40kg is a safe, monthly spot-on treatment that protects your dog from fleas, heartworm, and other parasites. Kills adult fleas, eggs, and larvaeTreats, controls, and prevents flea infestationsPrevents heartworm diseaseTreats and controls ear mitesTreats and controls sarcoptic mangeTreats biting and sucking lice