cleaning air filters???

...ok guys thanks 4 the recent replies about my intake questions...i appreciate all your comments...i decided 2 go with the injen intake...sorry if im bein s2pid wastin money instead goin the ebay way...but u kno people with brand name stuff...anywaz...i have another newb question 4 u guys...how do u clean the air filter...rite now i have a k&n drop in filter...and i kno its gotta be oiled and such...but how bout the round filter?...and what kinds should i use?...could i also use the k&n recharge kit on my injen filter?...or have 2 buy theh same brand such as injen?...or use any other brands off the shelf from pep boys?...thanks...

Follow the directions in the box. I honestly don't know if Injen intakes get oiled or not. I would assume so, but am not sure, so just check the instructions, or their website.