Just looking online and Phillips Avent do advanced one piece or classic 2 piece bottles? There was only one sort when I had LO, with your teat, ring and bottle? Boots doesn't describe any difference in bottles but amazon does?
anyone shed any light, whats the difference if theyre both anti-colic?
classic: The two-piece anti-colic system on the Philips AVENT Classic Feeding Bottle contains a ring that must be fitted between the teat and the bottle for extra performance.
advanced: The anti-colic system on the Philips AVENT Advanced Feeding Bottle is all in one piece, for ease of cleaning and extra performance.
I've used Avent with all 3 of my children so 12 years ago, 5 years ago and now, with the first two i only ever came across the ones without the ring, the ones i bought for my daughter some have the extra ring and some don't the ones without the ring have given me the usual leaky avent problem but the ones with the ring have never leaked, it only takes seconds extra to wash but saves the time cleaning the kitchen or my daughter clothes after a leaky one
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