Top positive review
Careful of the arrow markings
Reviewed in Canada on June 16, 2020
Remember that the up arrow on the cover only means that the cover should go back with the UP arrow facing up, it has nothing to do with air flow. The original filter is the same, it says UP, and that is correct, however when you buy an OEM or another filter, the filters show Airflow, and for this model, it means down! The air flow on the Sienna model goes downwards, so the airflow arrow should be pointing down with the cover pointing up. You can tell by seeing the old filter with the dirt on the top of the filter thus it means airflow goes downwards.