A master bath that is 15' X 13' would demand a chandelier or decorative fixture about 28" in diameter. These are manufactured by Litex and single place they be purchased is at copyright and a few online establishments. Finally, you find out if firm provides any kind of after-sales handle. http://Shinhwaspodium.com/bbs/board.php?bo_table=free&wr_id=3877446