AMBI PUR TOILET AIR FRESHNER(ALL) helps to remove and prevent odour from occuring in your bathroom for up to 45 days. It removes Malodor stuck on soft surfaces such as towels, toilet covers, shower curtains and in the air. To Use: Remove device from the packaging, Firmly push in light blue button at the back side and the scent will be gradually released. If there is no scent after 1 min, push firmly on the light blue button again.