AIR FILTER COMPATIBLE WITH STRING TRIMMER ENGINE ECHO BRD-280 ECHO HCA-266 ECHO PAS-266 ECHO PAS-280 ECHO PE-266 ECHO PE-280 ECHO PPF-280 ECHO PPT-266 ECHO PPT-280 ECHO SRM-266 ECHO SRM-280 MEASUREMENTS height in mm: 5.00 Air Filter Design: Flat Inner diameter in mm: 17.00 Width in mm: 68.00 Length in mm: 68.00 CODE: 176-843 ORIGINAL CODE: A226-000371 CZ