This 8-inch diameter air tank features a 150 PSI working pressure and meets all SAE J10B specifications. With all ports being NPT, it has a 1425 cubic inch capacity (6.16 gallons) and fits most makes and models. The tank's practical design includes a main port, additional main port opposite of the shown port, drain port, and end port, making it versatile for various applications. With a sturdy construction and high working pressure, this air tank is a reliable and efficient choice for a wide range of uses.