Designed to work with Calf Nurser Screw-On style Ring to more effectively position the nipple on the bottle, for less struggle and wasted time. Screw-On Ring used with Screw-On Calf Nurser Bottle and Nipples (sold separately). Calf replacement ring, for the screw top bottle. Use to replace nipple that has been lost or damaged.

Milk Rite Screw Only Ring [2 Quart] Highlights:

• Manufacturer: Milk Rite U.S.A.
• Replacement ring
• For the screw top bottle
• Screw-On Ring used with Screw-On Calf Nurser Bottle and Nipples (sold separately)