Features1It can effectively filter impurities and dust to ensure the normal operation of the engine. 2The installation and replacement method is simple, which can directly replace the old or damaged parts and improve the work efficiency. 3This kit is for Homelite ST525 ST725 SX135 ST385BC ST285BC ST275 ST155. 4Professional manufacturing, production according to the original specifications, in line with strict quality standards. 5Made of sponge, durable, corrosion-resistant, long service life.SpecificationCondition: 100% Brand NewItem Type: Chainsaw Air Filter KitMaterial: Filter Cotton, SpongeWeight: Approx. 62g / 2.2ozApplication: Fit for Homelite ST525 ST725 SX135 ST385BC ST285BC ST275 ST155Fit for Homelite K100 K200 K300 UT-20742 UT-20764Package List2 x Air Filter 1 x Spark Plug 2 x Primer Bulb 2 x Gasket 1 x Fuel Filter 1 x Fuel Line