slow drip nipple help

Alisa • Mommin is what I do best 😁🥰 2/3/17 & 4/20/19
My daughter will only use the slow drip nipples from the hospital, is there any way I could Get anymore of them or any other good slow drip brands , she 3 months on the 3rd The nipples she used were called enfamil slow-flow soft nipple , but I can't find them anywhere😩