select id from where lcase(lang)=''

    Products number

    5/8" Inner - 1/2" Inner fitting, BSPP FLAT

    5/8" Inner - 3/4" Inner fitting, BSPP FLAT

    1/4" Inner - 9/16" Outer fitting, UNEF-24

    3/8" Inner - 9/16" Outer fitting, UNEF-24

      Products number