HIPA 90104 Repower Tune Up Kit with Air Filter Spark Plug Primer Bulb for ECHO EDR260 GT230 GT231 PAS230 PE230 PE231 PPT230 SEM230 SRM231 Trimmer Repower kit: 90104 Air filter: 13031054130; Width: 2-9/16", Length: 2-5/8", hole: 1/4" Compatible ECHO models: EDR-260 GT-230 GT-231 PAS-230 PE-230 PE-231 PPT-230 SRM-230 SRM-230S Package include: 1 repower kit, 1 air filter, 1 spark plug, 2 primer bulb