Oregon 30-022 Air Filter Replacement for Briggs & Stratton 392286 Fits 251400, 252400, 253400 and 255400 series 10, 11 and 12 HP horizontal shaft engines 5" OD x 3-1/2" ID x 2-11/32" H Use Oregon 30-918 foam pre-cleaner Replaces Briggs # 392286