What is the best air filter for a Ford S-Max?

I am looking to replace the air filter in my Ford S-Max and I want to make sure I am choosing the best one for my car. Which air filter would you recommend and why?

I highly recommend the K&N air filter. It is designed specifically for Ford cars and offers improved performance and longevity.

I've had great results with the AEM air filter. It's a high-flow filter that has improved my S-Max's acceleration and fuel efficiency.

Personally, I've had good experiences with the Purolator air filter. It's affordable and does a great job of filtering out dirt and debris.