STENS New 605-749 Air Filter for Stihl TS700 and TS800 Cutquik saws, Stihl 4224 141 0300, Width 4-3/64 in., Length 5-15/32 in. 605-749 - The Home Depot
Genuine STIHL Air Filter Cover 41261401000 Fr106 Fs81 Fs86 Fs106 for sale online | eBay
Replacement Stihl BT106, FR106, FS81 FS86, FS106 Air Filter Set
OEM STIHL Trimmer Foam Pre-air Filter Element FR BT FS 106 81 86 Fs81 Fs86 for sale online | eBay