Lasco 03-1681 American Standard Tract Line Series Flange with 9/16-Inch Thread

LASCO 03-1681 American Standard, Tract Line Series, Flange with 9/16-Inch Threaded Opening, Chrome. Chrome plated finish. American Standard Brand. Tract line, round flange, 9/16- 20 threaded opening. Tub and shower trim. OEM Part # 1815-02.