The Dean 1726-1 filter pump circulates cooking oil through the filtration assembly of compatible commercial fryers. It moves oil at a rated flow of 5 gallons per minute, directing it through the filter system before returning it to the fryer. The pump measures 4-3/4 inches wide and features a 1/2-inch female pipe thread (FPT) connection. https://partsfe.com/1726-1-dean-filter-pump/1-1726-1.html