My baby needed to upgrade to a flow 3 but I was using the old version which ones would be comparable to a flow 3 from the old version?

I would say 1. My daughter used old version flow 1 and the comparable size of the new version was flow 3. But the flow of the new version nipple is terrible. Baby sucks and sucks and barely gets milk out. I don’t know what they changed something that was good.

How long can it be used?

Until your baby needs a faster flow or until there's a tear in the hole. You should inspect daily for wear and tear

I thought size 3 was for 3 months +. Has this changed recently? I don’t want to get the wrong size for my avent bottles.

Hello! This is the new Philips Avent Natural Response Nipple. This new Philips Avent Natural Bottle with Natural Response Nipple creates a personalized feeding experience by focusing more on the baby's drinking behavior than only on their age. Choosing a bottle nipple that responds to the baby's drinking behavior means that the age chart serves more as a guide. This newfound flexibility allows parents to increase or decrease the nipple flow as they follow their baby's unique lead. With five Natural Response Nipple sizes available, you can choose a bottle nipple that is comfortable for their baby’s drinking pace, and that syncs with the flow rate at the breast: Flow 1(0 month), Flow 2( 0 month + (recommended size to start off with), Flow 3(1 Month+) Flow 4(3 months+) and Flow 5(6 months+).

Will these nipples work with Phillips anti-colic bottles without the anti-colic valve that comes with said bottles?

If you are asking about using these nipples for the Avent Anti Colic with the green bill, yes they actually do fit! It seems all Avent bottles are interchangeable! I use both with my baby! I prefer the natural over the green bill due to leaking!

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Philips Avent Natural Response Nipples, Extra Slow Flow (Flow 1), 4-Pack, SCY961/04

Philips Avent Natural Response Nipples, Extra Slow Flow (Flow 1), 4-Pack, SCY961/04

Product ID: 349958033

Details

Bottle Nipple Type
Vented
Brand
Philips Avent
Liquid Flow Speed Description
Slow Flow
Material
Silicone
Size
4 Count (Pack

⏳Extra slow flow (Flow 1) for perfect pace

💧No-drip design prevents milk waste

🛡️Anti-colic valve reduces tummy discomfort

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€ 42.71

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Details

Bottle Nipple Type
Vented
Brand
Philips Avent
Liquid Flow Speed Description
Slow Flow

Description

⏳ Sip Slow, Thrive Fast: Feed Like a Pro, Mom & Baby Approved!

ZERO MILK WASTE - Innovative no-drip nipple design ensures every drop counts—no more lost milk or mess.
COLIC RELIEF TECH - Integrated anti-colic valve keeps air away from baby’s tummy, reducing fussiness and discomfort.
PREMIUM SAFE SILICONE - BPA-free, soft silicone nipple crafted for comfort and peace of mind during every feed.
CUSTOMIZABLE FLOW RANGE - Choose from 5 flow rates to perfectly match your baby’s unique feeding pace and growth stages.
BREASTFEEDING RHYTHM MASTERED - Baby controls milk flow naturally, mimicking breastfeeding for seamless feeding transitions.

Philips Avent Natural Response Nipples (Extra Slow Flow, Flow 1) offer a breastfeeding-like experience by letting babies control milk flow with a unique opening that releases milk only when actively drinking. Featuring a no-drip design and an anti-colic valve, these BPA-free silicone nipples reduce milk waste and colic discomfort. The 4-pack supports personalized feeding with a slow flow ideal for newborns, helping parents seamlessly combine breast and bottle feeding.

Specifications

ASIN	B0964F48T1
Age Range Description	Baby
Best Sellers Rank	#5,173 in Baby ( See Top 100 in Baby ) #47 in Baby Bottle Nipples
Bottle Nipple Type	Vented
Brand	Philips Avent
Customer Reviews	4.5 out of 5 stars 4,742 Reviews
Global Trade Identification Number	00075020093097
Included Components	4,Flow 1 Natural Response nipples
Item Weight	3.2 ounces
Liquid Flow Speed	Slow Flow
Liquid Flow Speed Description	Slow Flow
Manufacturer	Philips Avent
Material	Silicone
Material Type	Silicone
Material Type Free	Bisphenol A Free
Model Number	SCY961/04
Number of Pieces	4
Part Number	FETEGT1105
Size	4 Count (Pack of 1)
UPC	075020093097
Unit Count	4.0 Count

Reviews

M**N

30.12.2021

A**E

27.06.2025

A**N

5.05.2025

A**N

27.06.2025

P**K

21.08.2025

K**E

18.06.2025

P**A

10.02.2026

A**E

14.09.2025

A**R

28.04.2025

M**A

2.12.2025

B**S

23.08.2025

C**E

14.03.2025

E**.

2.02.2025

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€ 42.71

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In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

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