2 Pack Air Filter For Echo A226000350, A226000351, A226000470, A226000471, A226000472 2 quality Aftermarket Air Filters Replace Echo A226000350, A226000351 Also Replaces A226000470, A226000471, A226000472 3" X 3" Used on Echo Blowers PB-251, PB-255, PB265, PE-280 Edger, SRM-280 Trimmer