Product Description Tavlit Threaded Polypropylene Reducing Nipple 11 Sizes Available. 3/4″ – 1/2″ 1″ – 1/2″, 1″ – 3/4″ 1 1/4″ – 3/4″, 1 1/4″ – 1″ 1 1/2″ – 1 1/4″, 1 1/2″ – 1/2″, 1 1/2″ – 3/4″ 2″ – 1/2″, 2″ – 1″, 2″ – 1 1/2″