East to fit, Easy to plumb. Blue LPG External Donut tanks come with the option of an open face valve guard or a sealed sub compartment. In most applications the tanks are mounted externally underneath the vehicle, but with a the sealed sub compartment they can be installed internally where alternative venting is required.
Increased ground clearance. The use of Donut tanks in 4X4's allows for increased departure angles required when off roading,
Greater capacity's, maximum LPG capacity for greater range.