this outfit is selling the 14 inch diameter 3 inch height reusable element pretty cheapreplaces K&N #E-1650
fabric elements flow lots of air - probably not the most 100% effective air cleaner ever made but very low restriction
http://www.ebay.com/itm/110840924219?_trksid=p3984.m1423.l2649&item=110840924219&viewitem=&sspagename=STRK:MEWAX:IT&vxp=mtr