GRAD-U-FEED Nurser, Ready-to-Fill. 60 ml Nurser. The Enfamil GRAD-U-FEED Nurser is designed with your convenience in mind. It is ready to fill, compatible with all Enfamil nipples, and easily disposable after a single use. Disposable designed for single use. Recommended for use with Enfamil nipples. The Grad-U-Feed Nurser holds 60 mL of feeding and is used to feed small amounts to infants in neonatal intensive care nurseries. The Grad-U-Feed Nurser is designed for measured feedings. The nursers are made of polypropylene. Nipple units are not provided with Grad-U-Feed Nursers. Enfamil ® nipples may be used. There are 100 Grad-U-Feed Nursers per case. UOM: 100/CS.