SaferCCTV(TM) New Air Filter For Honda GX 340 & GX 390 Gx340 11hp Gx390 13hp Engine 17210-ZE3-505 17210-ZE3-010 1. Unique service can make you rest assured to buy--(1)60-days money-back guarantee. (2) Professional sellers, and professional guidance, have more air filter choose. (3) Often give away free tool products (because we clean stock). Please contact us if you need any of the above services 2. Fit for gx340 11hp gx390 13hp Engine 3. Length is 4.43 inches(112.5mm), Width is 3.6 inches(92mm), Height is 3.6 inches(92mm) 4. This is the Non original aftermarket part, please make sure it can fit on your chainsaw before buy it. 5. Package Include: 3 x air filter as picture( note: if you order from SaferCCTV, you will get 3pcs of this price)