This 9.5-inch diameter air tank is a practical and reliable solution for your pneumatic needs. With a 150 PSI working pressure and all ports being NPT, it meets and exceeds all SAE J10B specifications. The 1488 cubic inch capacity (6.44 gallons) ensures ample storage for your compressed air. Featuring a length of 27.50 inches, the tank is designed to fit most makes and models. Its main port is 1/2 inch, drain port is 1/4 inch, and end port is 3/8 inch. This air tank is a dependable choice that offers convenience and efficiency for various applications.