About product and suppliers:
            28,822 hepa filter products are offered for sale by suppliers on Alibaba.com, of which air purifiers accounts for 37%, air filter accounts for 24%, and other industrial filtration equipment accounts for 1%. 

A wide variety of hepa filter options are available to you, such as panel filter, cartridge filter, and box filter. You can also choose from hepa filter, pre filter, and medium filter hepa filter, as well as from cotton, synthetic fiber, and active carbon hepa filter

There are 28,794 suppliers who sells hepa filter on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Taiwan, China, from which the percentage of hepa filter supply is 1%, 98%, and 1% respectively.