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Paper cartridge air filter Replaces Briggs & Stratton 394018S, 392642, 394018, 4135, 5050; Ariens 21530000, Craftsman 24150, Grasshopper 100920, Jacobsen 5000441, John Deere LG394018JD, Lesco 050367, Toro 394018S, 92-0527, Woods 70301.Fits models 290400, 290700, 294400, 294700, 303400, 303700, 350400, 350700, 400400, 401400, 402400, 404400, 422400 horizontal (L-head) Twin, Horz. and vert. V-Twin OHV Vanguard and others. Uses foam wrap BS77F.