10 PK Air Filter Fits Stihl 4242-120-1800 HS46 HS56 Hedgetrimmer by Rotary $39.90 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Air Filter PRODUCT DESCRIPTION Brand New 10 PK Air Filter Fits Stihl 4242-120-1800 HS46 HS56 Hedgetrimmer... Genuine Rotary Part # 11755