Nanjing Blue Sky Filter Co.,Ltd. is a modernized factory with experienced technicians, first class production line and advanced quality inspection instrument. Blue Sky produces a number of different product series, including vacuum cleaner brush. Blue Sky activated carbon particle filter is required to pass physical tests conducted by third-party labs. These tests include durability testing, adhesion testing, dimension stability testing, and wear resistance testing. Under the standard circumstance, hvac box filter ensures the feasibility of hvac filters.

Service is such an important part that will never be neglected for Blue Sky. Check it!