Air Filter / Tanaka 44600025200Pack Size:1Tanaka 44600025200, Tanaka 6690347Landscaper Express 25200, NHC 207-7196, Ratio Parts 176-838Tanaka AST-210 and TBC-225-TBC-4501Width: 1/2 ", Length: 3 1/2 ", Height: 1/4 "