Air Filter / RedMax 4810-82170Pack Size:1Red Max 481082170J. Thomas RM-176, Landscaper Express 48108, NHC 207-7113Red Max BCZ2500, BCZ2600, BCZ2601, BCZ2610, EXZ2500, HEZ2500, HEZ2601, HEZ2602, HEZ2610, PSZ2500 and SRTZ2500Height: 3/8 ", Width: 7/8 "