The Little Giant 585698 TE-5.5-MD-HC Pump Head is suitable for the movement of highly corrosive solvents, acids, alkalis, and other chemicals and solutions that are compatible with the material that was used to make the pump head. It has an intake size of 1"FNPT and a discharge size of 3/4" MNPT. This Little Giant 585698 TE-5.5-MD-HC Pump Head can handle fluids with a specific gravity of up to 1.1 and with temperatures of up to 180°F. More details are available in the specification sheets. The Little Giant 585698 TE-5.5-MD-HC Pump Head is recognized for meeting the required environmental performance standards. Little Giant and its parent company, Franklin Electric, have been making pumps for over 70 years. The quality, durability and dependability of their products have made them a world leader in pumps of virtually every variety.