How often should I change the air filter on my 2005 H2? on 2005 Hummer H2

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How often should I change my 2005 H2's air filter?
(1) Answer
When it gets dirty! No set interval between changes, driving conditions depict how often it should be changed. Dusty conditions will require more often replacment. This info. is in the owners manual, if you don't have it get one! You need it for this vehicle especially.
Everyone should have this for any vehicle!