Look at the ceiling there should be 2 tabs that you push to remove the plastic grill it's behind there, be careful washing it, they cam just fall apart. If you need a new one you can get a window unit filter like at ACE and cut it to fit.
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Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity