This 12-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 4400 cubic inch capacity (19.05 gallons) ensures ample storage for your compressed air. Featuring a length of 43.375 inches, it fits most makes and models. The main port is 3/4", while the drain port is 1/4" and the end port is 3/8". This air tank is sold individually and offers exceptional performance and durability.