PetSafe Anti-Bark Spray Refill 85g - Citronella Suitable for use with PetSafe, Innotek & MultiVet Spray Commander and Anti-Bark Spray Collars. Most of us are familiar with its pleasant lemony scent. Citronella is an essential oil that is derived from the stem and leaves of lemon grass and has been used in medicine for a thousand years. PetSafe refills contain a gas mixture that is 100% safe for people, animals and the environment. The propellant gas is the ozone friendly R134a. Used in many medical inhalation products, it is harmless to pets and people.
