A quick and easy DIY video tutorial on how to replace the cabin filter on a 2013 - 2018 Nissan Altima. Cabin air filters help enhance the air quality inside your vehicle, creating a healthier, more comfortable environment for you and your passengers. A properly functioning cabin air filter can stop up to 90% of dust, pollen, and spore particles from entering the Nissan Altima passenger compartment location. WHEN SHOULD YOU CHANGE THE CABIN AIR FILTER ON YOUR NISSAN ALTIMA? It is recommended that you replace your cabin air filter every 10,000 - 15,000 miles or once a year. However, you may want to replace or change the cabin filter in you Altima more often if: -You or a frequent passenger suffers from allergies -You or a frequent passenger has other respiratory problems -You drive your Altima on dirt roads or in excessively dusty conditions -You drive your Altima on heavily polluted areas This video tutorial can be used to help remove, change or replace the cabin filter on the following Nissan Models: 2013 Nissan Altima 2.5 S, SR, SL, SV and 3.5 SL 2014 Nissan Altima 2.5 S, SR, SL, SV and 3.5 SL 2015 Nissan Altima 2.5 S, SR, SL, SV and 3.5 SL 2016 Nissan Altima 2.5 S, SR, SL, SV and 3.5 SL 2017 Nissan Altima 2.5 S, SR, SL, SV and 3.5 SL 2018 Nissan Altima 2.5 S, SR, SL, SV and 3.5 SL.