This air filter helps remove dirt, dust, and debris that contaminates the carburetor and engine. The filters provide excellent protection against the destructive effects of dirt absorption, improve airflow and extend motor life by providing clean filtered air during operation. The warranty period is stated in the product description. If the warranty period is 200 days unless otherwise stated in the product description. This warranty is non-transferable. It applies to direct customers only upon presentation of proof of purchase, i.e. the original invoice. Seller's maximum liability is limited to the purchase price of the product sold by HQRP-US. HQRP-US is not liable for penalties, consequential o.