The NUK air system on the NUK orthodontic narrow neck nipples reduces the amount of air baby swallows during feeding.

• NUK Silicone Orthodontic Nipples, Fast Flow, Size 2, 2 Pack
• B0013K0NRG
• Gerber Nuk Silicone Orthodontic Nipples, Medium Flow, Size: 2 - 2 Per Pack
• NUK Fashion Orthodontic Bottle, Boy, 5 Ounce, 3-Count
• NUK Silicone Orthodontic Nipples, Medium, 0m+, 2 Pack