select id from where lcase(lang)=''

    Products number

    1/4", Inner - 5/16", Outer fitting

    1/4", Inner - 3/8", Outer fitting

    1/4", Inner - 5/8", Outer fitting

    5/16", Inner - 3/8", Outer fitting

    5/16", Inner - 1/2", Outer fitting

    3/8", Inner - 1/2", Outer fitting

      Products number