I got this one: Mr. Funnel AF1CB Fuel Filter
Single filter. 2.5gal/min flow rate
http://www.mrfunnel.com/Mr._Funnel/Models.html
Got mine for road side fills and not for use a gas stations. If the gas station seems shady I would fill my fuel bladder and then fill moto tank with filter from there.
For Baja I plan on using strictly for any back of truck fills.