Air Filter, Square 1/4"H

Fits String Trimmers FS38, FS45, FS46, FS55, KM55, Edger - FC55, Hedge Trimmers HL45, HS45 2-7/16"Lx2-1/4"Wx1/4"H Meets or exceeds manufacturers recommended specs. Backed by Sierra’s Limited Lifetime Warranty. Backed by Sierra’s Limited Lifetime Warranty.