HIPA Tune Up Kit Air Filter + 2 Fuel Filter + Primer Bulb + Fuel Line Hose for Husqvarna 445 445E 450 450E Gas Chainsaw Fitment models: Husqvarna 445 445E 450 450E chainsaw Fuel line hose: 2 feet long Pakcage inlcude: 1 x air filter, 2 fuel filter, 1 x primer bulb, 1 x fuel line