New Pack of 5 Replace Air Filter Fit for Echo A226000032 A226000031 Pb603 Pb403 Pb413 Pb500 Pb620 Pb650 Pb755 High quality aftermarket replacement air filter Replace Echo # A226000032 Size: Length: 4 5/32 ", Width: 2 5/8 ", Height: 1 3/8 " Package includes 5 x air filter for Pb603 Pb403 Pb413 Pb500 Pb620 Pb650 Pb755