Cleaning the AC air vents with spray

[Aml21s]

any of you have done it already, do you turn the ac on after spraying foam inside the vents? any tricks that works good for our car will appreciate any advices before i do it.

[skyebear]

Watch Forensic Detailing Channel on YouTube for interior and exterior cleaning advice and good products to use.

[Aml21s]

thanks I will, i cheekd him and its a good idea, not to turn on ac but the blower after a few minutes and this tecniques seems good too. from the air filter box.
https://www.youtube.com/watch?v=nzpQpNk1pW4