This is a A-B1AF7980 Air Filter PN: B1AF7980Main Description As Following : A-B1AF7980 Air Filter P.N: B1AF7980 Dim A (1): 5-3/4" LDim B (2): 3-1/2" WDim C (3): 1" H Crossed From: 08170-ZG9-M00 HONDA , 08170-ZG9-M01 HONDA , 08170ZG9M00 HONDA , 08170ZG9M01 HONDA , 100-378 STENS , 100378 STENS , 102-582 STENS , 102582 STENS , 14 083 04-S KOHLER , 1408301-S KOHLER , 1408301-S1 KOHLER , 1408301S KOHLER , 1408301S1 KOHLER , 1408304-S KOHLER , 1408304S KOHLER , 17210-ZE7-505 HONDA , 17210ZE7505 HONDA , 17211-ZG9-M00 HONDA , 17211ZG9M00 HONDA , 17218-ZG9-M00 HONDA Found in Section & Models : Sunbelt - Air Filters > Air Filters, Harmony MOWER, WALK-BEHIND: HRB215 (Honda code 4527479), Harmony MOWER, WALK-BEHIND: HRM215 (Honda code 4527479), Harmony MOWER, WALK-BEHIND: HR215K1 (Honda code 4527479), Harmony MOWER, WALK-BEHIND: 215 (Honda code 4527479), Honda ENGINE: GXV140, Honda ENGINE: SX SERIES (Honda code 4527479) Associated Items : A-B1AF7979 Also This is An Aftermarket Product And : Dim A (1): 5-3/4" L Dim B (2): 3-1/2" W Dim C (3): 1" H