So do I need any AN fittings or is that just for convenience? Can all of these connections (>) be done with barbs and clamps or do some need AN?
Tank > hose > filter > hose > (feed) Filter/Regulator > hose > Sniper
FIlter/Regulator (return) > hose > tank
Tank > hose > filter > hose > (feed) Filter/Regulator > hose > Sniper
FIlter/Regulator (return) > hose > tank