select id from where lcase(lang)=''

    Products number

    Straight, 1/4" Inner - 1/4" Inner fitting

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

    Straight, 5/16" Inner - 5/16" Inner fitting

    Straight, 3/8" Inner - 3/8" Inner fitting

    Straight, 1/2" Inner - 1/2" Inner fitting

    Double check valve, 1/4" Inner - 1/4" Inner fitting

    mini, 1/4" Inner - 1/8" Outer fitting, NPTF

      Products number