This is the 2 micron fuel filter that is a direct fit for all AirDog I, AirDog II, AirDog II-4G, and AirDog II-5G models.
Cross Reference Numbers: (Note, this is for fitment and not micron rating):
NAPA: 3420 (Standard Height)
NAPA: 3626 (Extended Height)
WIX: 33420 (Standard Height)
WIX: 33626 (Extended Height)
Baldwin: BF-7531 (Standard Height)
Fleetguard: FF5613 Stratapore Media (Standard Height)
Fleetguard: FF63051NN Nanonet Media (Extended Height)
Donaldson: P551315 Cellulos Media (Extended Height)
Donaldson: DBF5816 Donaldson Blue with Synteq XP Media (Extended Height)
LuberFiner: LFF3545 (Standard Height)