Purchase this filter at http://www.filterheads.com/AQ1140
The housing is located on the passenger side of the car on the right side of the footwell.
The airflow arrow should be pointing towards the back of the car.
AQ1140 filter fits:
Nissan Altima 2007-2013
Nissan Maxima 2009-2014
Nissan Murano 2009-2014
Nissan Quest 2011-2016
The model shown in this video is a 2009 Nissan Murano but installation is similar on the other models.