About product and suppliers:
            1,292 red optical filter products are offered for sale by suppliers on Alibaba.com, of which optical filters accounts for 18%, lenses accounts for 1%. 

A wide variety of red optical filter options are available to you, such as optical. You can also choose from ce, rohs red optical filter, as well as from spherical, plano red optical filter, and whether red optical filter is polarizer filter. 

There are 494 suppliers who sells red optical filter on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, India, and Hong Kong S.A.R., from which the percentage of red optical filter supply is 99%, 1%, and 1% respectively.