Forester 18" Bar and Chain Combo for Poulan Husqvarna Echo Fits Poulan Models: 25 Series, 180, 190, 200 Series, 300 Series, 2000 Series, 3000 Series, Micro25, Woodshark, Wildthing Fits Husqvarna Models: 23, 36, 41, 136, 141 and others Fits Echo Models: CS280, CS290, CS300, CS301, CS302, CS400 CS440, CS510, CS3000, CS3400, CS3450, CS3600, CS3900, CS4000, CS4100, CS4400 A041 Mount 3/8" Low Profile Semi-Chisel Chain