How to use the Feliway Friends Diffuser. Remove the refill vial cap. Screw refill vial onto diffuser unit. Plug the diffuser into an electric socket. Leave the diffuser switched on continuously. Diffuser refill should last 4 weeks. It covers an area of 50-70m2. Do not plug in behind a door, curtain or behind/underneath furniture.
This listing is for 1 x refill.