Pumps and equipment corporation offers manufactures duel filtration oil burner nozzles. Oil burner nozzles it finds millions of applications of heating installations and duel filtration is a leading way which to reduces plugging and extending nozzles life. The oil burner nozzle is equipped with a ribbed sintered bronze external filter . This external filter that provides up to 30% more filtration than any other nozzles. In addition, a a second internal filter of sintered bronze catches impurities that the primary filter may have missed. This additional filtration provides with an 35% more surface filtration area the additional fltration is provided, assuring resistance to clogging and plugging that are the most frequent bothering problems.Both filters are made up composed of grade 68hp bronze powder and rated at 30-40 microns