About product and suppliers:
            3,669 ir filter products are offered for sale by suppliers on Alibaba.com, of which optical filters accounts for 16%, air filter accounts for 1%, and air purifiers accounts for 1%. 

A wide variety of ir filter options are available to you, such as not available. You can also choose from new ir filter, as well as from building material shops, manufacturing plant, and home use ir filter, and whether ir filter is 1 year, or unavailable. 

There are 2,840 suppliers who sells ir filter on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Singapore, from which the percentage of ir filter supply is 97%, 1%, and 1% respectively.