Blue Sky Filter is a professional air filter supplier and car air filter manufacturer in China since 2009.

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How long is the warranty period of active carbon air filter?
2021-05-20
Generally, for different series of products, the warranty period may vary. Referring to the more detailed warranty period about our active carbon air filter, please browse the product details which cover the information about the warranty period and service life, on our website. In short, a warranty is a promise to provide repair, maintenance, replacement or refund of a product for a certain time period. The warranty period begins on the date of the purchase of brand new, unused products by the first end-users. Please retain your sales receipt (or your warranty certificate) as proof of purchase, and the proof of purchase must state the date of purchase.
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Over the years, Nanjing Blue Sky Filter Co.,Ltd. has been concentrating on the design, production, and supplying of car oil filter. We are a qualified manufacturer and supplier. hvac filters is the main product of Blue Sky. It is diverse in variety. During the production, Blue Sky swimming pool filter has to go through a series of processes such as CAD shape design, high temperature and pressure molding, stamping, sewing or stitching, etc. The product can significantly help save energy costs. People will be surprised that it only consumes little energy by using this energy-saving product.
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We have devoted philanthropic efforts to help the environment. We initiate voluntary activities, such as clean the beach and recycle bottles and paper, aiming to reduce the negative impact on the environment.

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