General Filters Fuel Oil Filter Cartridge is the for oil-fired heating appliances in small to average-sized homes and commercial buildings. Designed for final filtration in central fuel oil distribution systems, this filter operates at a working pressure of 12 P.S.I. with a 3/8" NPT connection. It features a 10-micron wool felt cartridge with a center core bonded to prevent media migration, ensuring reliable and efficient filtration. The package includes three gaskets and is UL listed for quality assurance. This cartridge fits filter model No. 2A-700A with a 25 GPH firing rate and may also be compatible with various other models such as Unifilter No. 99, Sid Harvey No. XF-1/265, Autoflo No. F-400, and Eddington No. S-252. Additionally, it serves as a for filter model No. 1A-25A with a 10 GPH firing rate and fits other models including Unifilter No. 77, Sears No. 8055, Sid Harvey No. XF-25/264, Autoflo No. F-300, Eddington No. S-254, and Federal No. A-77. The filter is UL listed and maintains a consistent 12 psi pressure rating with a 3/8" NPT fitting for easy installation. Model Number: