Fuel Oil Filter Cartridge- RF-1- Gear Style

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General Filters 9012 Replacement Cartridge, For Use With 77B, 1A-25B, 1A-25A Fuel Oil Filters, Microfiber PRODUCT OVERVIEW: Constructed from spun fiber. Designed to filter oil in a heating application. For FUL-FLO FB-4 filtration system. Boiler replacement part, complete with gaskets. Gear-tooth design. Compatible with fuel oil conforming to ASTM D396-09 (up to B5). RF-1 Micro Fiber Replacement Cartridges - for 77B, 1A-25B, 1A-25A.

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