Here is a short video for how to replace the cabin air filter for the 2018 and newer Toyota Camry.

Special thanks to JackTannehillPromoter for helping me understand that the "UP" arrow on the cabin air filter cover and on the housing do not mean air flow in this car. You can check out his channel at:    / @njsongwriter  

You can buy this filter at Walmart:
https://www.walmart.com/ip/FRAM-Fresh...