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 thousand years.

The scentless refill is for people who don't like the citronella smell. It will not be less effective than the citronella refill.

• The Multivet refills contain a gas mixture that is 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.