do these fit new closed freemie cups?

Unfortunately I don’t know. If it helps I use them with my BabyBuddha pump so they do fit pump flanges that aren’t listed in the title.

Does the Maymom 2nd gen duck bill valve work better than the 1st gen with a Spectra pump?

it has a pull tab. that is the biggest difference.

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Maymom 2nd Generation Pump Valves for Spectra S1, S2 and 9 Pumps and Philips Avent Comfort Electric Breast Pump; (4 pc)

Product ID: 294724815

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Details

Brand
Maymom
Operation Mode
Electric
Special Feature
Portable
Power Source
Corded
Included Components
Valve
Material Type Free
BPA Free

🍼Compatible with Top Pumps

⚙️2nd Gen Precision Fit

🇺🇸Made in USA Quality

Description

🍼 Upgrade your pump game with precision and peace of mind!

BPA FREE SAFETY - Crafted from BPA-free materials to keep your baby’s health front and center.
CORDED ELECTRIC READY - Optimized for corded electric pumps, ensuring consistent performance every session.
LIGHTWEIGHT COMPACT - At just 22.6g and pocket-sized, these valves are easy to carry and swap on the go.
SEAMLESS COMPATIBILITY - Engineered for Spectra S1, S2, 9 & Philips Avent Comfort pumps—no guesswork, just perfect fit.
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly made in the USA, combining reliability with premium quality standards.

These 2nd Generation Pump Valves are precision-engineered replacements compatible with Spectra S1, S2, 9, and Philips Avent Comfort Electric Breast Pumps. Made in the USA from BPA-free materials, they offer a lightweight, compact design optimized for corded electric pumps, ensuring safe, reliable, and hygienic pumping sessions.

Specifications

Model Number	P005-2G-4D
Material free	BPA Free
Additional product features	Portable
Style	Pumps
Power source type	Corded Electric
Pump type	Electric
Batteries required	No
Dishwasher safe	No
Is portable	No
Product Dimensions	8.64 x 2.54 x 5.08 cm; 22.68 g
Item model number	P005-2G-4D
Manufacturer	Maymom
Country of Origin	USA
Item Weight	22.6 g

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