Ryobi AC04122 Primer Bulb and Fuel Line Kit for Ryobi and Homelite products Keeps String Trimmers Running Smoothly & Efficiently Great for the Environment - Decreases Evaporative Emissions Guaranteed to Work With Ryobi & Homelite Products Compatible With 25 cc, 30 cc, & 26 cc Motors Features Fuel Line, Return Line, Fuel Filter, Primer Bulb, & Installation Tool