Nanjing Blue Sky Filter Co.,Ltd. is a forefront brand in the market of automobile filters. Blue Sky produces a number of different product series, including vacuum cleaner dust bags. The design of Blue Sky water filter is based on a scientific basis. Factors, including limb alignment, the stress put on the joints, walking posture, and weight distribution of the pelma, have all been carefully considered during design. Blue Sky also adopts eco-friendly materials to guarantee the zero pollution of active carbon air filter.

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