Which Philips Avent Natural Nipple do I own?

Both the previous and new Philips Avent Natural Nipples are designed to look and feel like a breast, but only the new Natural Response Nipples are also designed to work like one, releasing milk only when your baby actively drinks.The Natural Response Nipple comes in 5 sizes, and they can be recognized by the following features:•    Slit on the tip of the nipple instead of a hole;•    Swirl design around the petals;•    Grey Philips Avent logo on the bottle.To check whether you have the older or new Natural Response Nipple, please refer to the illustration below.

Philips Avent Natural Response Silicone Nipple Med Flow 4, 3M+, 2

Natural nipple SCF654/27

Philips Avent Natural Nipple Combo 1m+ Slow Flow Nipple Price in

Philips Avent Silicone Teats 4 Holes x 2

Philips Avent Variable Flow Natural Nipple, 2-Count

Avent 2-Pack Natural Response Baby Bottle Nipples - clear, one

Philips AVENT Natural Response Baby Bottle Nipples Flow 5, 6M+

Philips Avent Natural Medium Flow Bottle Nipples, 2 ct - Kroger

3M+)ORIGINAL Philips Avent NATURAL Baby Bottles Teats Extra Soft

Philips Avent Natural Teats - Thick Feed Flow

Philips - Avent Natural vs. Avent Natural Response : r/beyondthebump