The E4AA5T5A0 is an air diaphragm pump from the E-Series, with a 125 PSI (8.6 BAR) pressure rating, a 1 1/2 x 1 1/4 inch port size, and a maximum flow rate of 56 GPM. Manufactured by VERSA MATIC, this pump features a PTFE ball valve and an aluminum construction, providing durability and corrosion resistance. The E4AA5T5A0 is the perfect choice for industrial applications requiring a reliable and efficient pump.