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STC warrants this filter to be free from defect in material and workmanship under normal use for period of six-month from the date of purchase. During the warranty period, STC shall repair or replace the filter if it’s defective. This warranty is limited to the purchaser and is not transferable. One year extended (except for Clip Filter sereis) warranty is valid when you register below.

    First Name Last Name
    Sex Email Address
    City Country
    Product Name Product Serial Number
    Lens Type Filter Size
    Purchase Date Place of Purchase

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