Class AA - 1500 GPM & More
Class A - 1000-1499 GPM
Class B - 500-999 GPM
Class C - Less than 500 GPM
Bonnet ? Safety Black
2 ½? Caps - Safety Black
With out STORZ - pumper nozzle Safety Black
Body Color ? Safety Red
One Inch reflective tape used to mark hydrant, colors above.
Example pictures: