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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AVENT Philips Natural Response Baby Bottle Flow 5, 6M+, 4pk, SCY965/04

Product ID: 673182334

Details

Bottle nipple type
Natural Flow 5
Brand
AVENT
Liquid flow speed description
Fast Flow
Material
Silicone
Size
4 Count (Pack

⏳Flow 5 - fast milk release

🍼Natural Response - baby controls milk pace

💨Anti-colic valve - reduces tummy discomfort

¥5613

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍼 Feed Naturally, Flow Freely — Because Your Baby Deserves the Best

NO MORE MILK WASTAGE - Innovative no-drip design prevents lost milk, saving every precious drop.
SAFE PURE SILICONE - BPA-free, soft silicone nipples ensure safety and comfort for your little one.
COLIC RELIEF BUILT IN - Anti-colic valve directs air away from baby’s tummy, reducing discomfort and fussiness.
BREASTFEEDING BOTTLED PERFECTED - Natural Response nipple mimics breastfeeding rhythm for seamless feeding transitions.
TAILORED FLOW FOR GROWING BABIES - Flow 5 fast flow rate matches your 6+ month old’s feeding needs effortlessly.

Philips Avent Natural Response Baby Bottle Flow 5 (6M+, 4-pack) features a unique nipple that lets babies control milk flow just like breastfeeding. Its no-drip design prevents milk loss, while the anti-colic valve reduces tummy discomfort by venting air away. Made from BPA-free silicone, this fast-flow nipple supports your growing baby’s natural feeding rhythm, making bottle feeding a natural, comfortable experience.

Specifications

ASIN	B0964CG6KG
Age Range Description	Baby
Best Sellers Rank	#571 in Baby Products ( See Top 100 in Baby Products ) #17 in Baby Bottle Nipples
Bottle Nipple Type	Natural Response Flow 5
Bottle nipple type	Natural Response Flow 5
Brand	AVENT
Compatible Baby Bottle Model	Philips Avent Natural
Customer Reviews	4.8 out of 5 stars 9,032 Reviews
Global Trade Identification Number	00075020093172
Included Components	4, Flow 5 Natural Response
Item Weight	0.2 Pounds
Liquid Flow Speed	Fast Flow
Liquid flow speed description	Fast Flow
Manufacturer	Philips Avent
Material	Silicone
Material Type	Silicone
Material Type Free	Bisphenol A Free
Material type free	Bisphenol A Free
Model Number	SCY965/04
Number of Items	1
Part Number	WLL-0402-072
Size	4 Count (Pack of 1)
UPC	075020093172
Unit Count	4 Count

Reviews

D**.

Best brand

Best product for babies.

5.01.2025

L**N

Qty is not correct

27.02.2025

A**R

Philip Avent is the best in baby feeding items

Economically, quality and safe to use

11.05.2025

M**.

Reliable and Baby-Friendly Bottle Nipples

The Philips Avent Natural Response Nipple Refills are perfect for my baby’s bottles. They’re soft, durable, and designed to mimic natural feeding, which really helps with switching between breastfeeding and bottle. The flow is just right—not too fast or too slow and my baby took to them right away. Easy to clean and replace, making them a must-have for Avent bottle users!

5.09.2025

F**E

Natural flow, easy to clean, great for babies who switch between breast and bottle.

Great quality and works as expected. The nipples have a natural flow, are easy to clean, and fit perfectly. Very satisfied with the overall performance.

28.06.2026

N**O

Perfect fit

Just what we needed. Fits our bottles perfectly.

24.07.2025

Y**Z

Excelente chupon!

Desde que mi bebe nacio, tuve la oportunidad de comprar estos biberones son una marca miu muy buena, mi bebe lenencantan los naturales ya que se asemeja mas a la lactancia materna a mi parecer mi ahora que tiene 2 años le sirven por que los orificios son mas grandes le funcionan de maravilla en lo que se acostumbra a tomar de su basitoy dejar el biberon. Duran un buen

27.06.2022

A**R

Good quality

Suitable for babies

10.04.2026

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¥5613

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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