Got some nice weather and changed the Fuel filters on the truck a once a year service project. From left to right little silver one is from aux tank to main tank,Baldwin is from main tank to AD100 pump the fleetguard w/s and fleetguard filter on AD then to OEM filter not pictured to Cat and then to CP3. Could go longer on filters but 1 time a year what the heck. cheap insurance in my eyes. Drain the W/S and got VERY LITTLE WATER so fuel source is good.