Shake well before use.
?Apply the foam as close as possible to the evaporator. This can be done through the outlet of the evaporator.
?Bring the nozzle of the spray tube close to or against the evaporator.
?Depending on the size of the system to be treated, use a maximum of 1 spray can.
?Allow at least 15 minutes for the product to take effect
?Switch the fan to at slow speed for 5 minutes.