Replacement diaphragms for the Filter King range of combined fuel filter pressure regulators. Available to suit either the 67mm or 85mm Filter King units.
The Filter King sizes of 67mm and 85mm refer to the outside diameter of the regulator diaphragm and not the bowl, filter or seal dimensions. The 67mm Diaphragm has 4 bolt holes and the 85mm has 6 bolt holES.
