Air Filter / Shindaiwa 60023-98031Pack Size:1Shindaiwa 60023-98031J. Thomas SH-744, Mow More S100325, NHC 207-7103, Oregon 30-721Shindaiwa AHS231, T231, T231B, T231X and T231XBWidth: 1 7/8 ", Length: 2 1/4 ", Height: 1/2 ", Heavy-duty