• nfant® Extra Slow Flow Nipple & Ring - Gold
• nfant® Slow Flow Nipple & Ring - Purple
• nfant® Standard Flow Nipple & Ring - White
• nfant® No Flow Nipple & Ring - Silver
• nfant® 2X Standard Flow Nipple & Ring - Blue
• nfant® 3X Standard Flow Nipple & Ring - Green

*may be hard to find in Canada

https://www.nfant.com/nfantnipples 

Additional Resources: Choosing a Bottle Nipple handout

For healthcare providers: see Table 18: Nipple Flow Rates