About product and suppliers:
            3,193 infrared filter products are offered for sale by suppliers on Alibaba.com, of which air purifiers accounts for 20%, optical filters accounts for 12%, and water filters accounts for 1%. 

A wide variety of infrared filter options are available to you, 

There are 3,193 suppliers who sells infrared filter on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Vietnam, from which the percentage of infrared filter supply is 98%, 1%, and 1% respectively.