RCI Fuel Cell 12 Gallon
Racer's Choice Inc. manufactures these with cross-linked high strength polyethylene bladder. #8 AN male pickup and an #8 AN male rollover vent. The pickup hose designed to pickup from right rear corner. All cells have a flapper on lid assembly. RCI no longer has vented caps.
Measurements can very up to an inch based on how they are made.