Some versions have a single fuel filter in the rear-most passenger side compartment. Some have the primary and secondary in that compartment. I think that is where you will find both on your Anthem.
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5FI