Looking for the best wide mouth connectors to make pumping faster and more comfortable? We’ve tested and reviewed the top 10 options to help you find the perfect fit and upgrade your pumping experience.
Wide mouth connectors are a game-changer for breastfeeding moms. They make pumping faster, easier, and more comfortable. With the right connector, you can focus on what matters most.
These small parts fit many popular pumps and shields. They create a strong seal for efficient pumping. You’ll save time and effort with every use.
We’ve tested and reviewed the best wide mouth connectors for you. This guide will help you find the perfect fit. Get ready to upgrade your pumping experience today.
List of Top 10 Wide Mouth Connectors
| Image | Title | Best For | Price |
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PumpMom-us Wide Mouth Connector Duckbill Valves for Spectra S1 S2 9 Plus Pump, Widemouth Connector Compatible with Medela PersonalFit Shield and Lansinoh Flange Backflow Protector Base |
This is perfect for pump users who want a wide mouth connector for Spectra S1, S2, 9 Plus, or Synergy Gold pumps. It is also a great fit for people who need a simple, BPA-free, easy-to-clean part that works with PersonalFit Shields and Lansinoh ComfortFit Shields. |
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2pcs Wide Mouth Connector Compatible with Spectra S1 S2 9 Plus Pump, Compatible with Medela PersonalFit Shield, Pumpin Pal Shield, Lansinoh ComfortFit, Maymom MyFit Shields, MyFit Crater Shield |
This product is perfect for busy moms who want simple, safe parts that fit their Spectra pumps with ease. It’s great for anyone who needs a quick, clean, and easy pumping setup. |
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Multi-Size Funnel Connector Wide Neck Part Wide Mouth Flange 18mm/19mm/20mm Simple |
This product is perfect for new moms who want a simple, safe, and easy way to express milk with comfort and ease. It also suits anyone who needs a quick, clean, and smooth pumping setup at home or outdoors. |
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2 Packs 13mm Flange Set, Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories, 106 Degree Wider Opening Angel |
This set is perfect for mothers who want a soft, gentle fit and need a small 13mm flange that works with Spectra pumps. It’s great for anyone who wants more comfort, better flow, and easy use every day. |
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2 Packs 15mm Flange Set, Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories, 106 Degree Wider Opening Angel |
This 2-pack 15mm flange set is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps. It’s great for those with larger or flatter breasts and offers super comfort during pumping. |
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Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Accessories, Base Connectors, Bottles, Duckbill Valves, Backflow Protectors and Tubing, Not Original Spectra Parts |
This set is perfect for busy moms who want safe, easy-to-use, and reliable pump parts. It’s great for anyone who needs simple, clean, and ready-to-go pieces for daily pumping. |
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Maymom MyFit Classic 19mm Shield, Does NOT Include Maymom Wide-Mouth Connector, Compatible with Spectra S2 Accessories Spectra S1 Not Original Spectra Pump Parts Spectra Flange |
This is perfect for moms who want a simple, comfortable, and easy-fit pumping setup. It’s great for anyone who needs a 19mm shield that works with Spectra and Medela pumps. |
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ATIE Universal 1.25″/1.5″ Combo Pool Hose Adapter SPX1091Z7, SPX1091Z4 Replacement for Above-ground Pool Pump, Filter, Skimmer, Compatible with Hayward Wide Mouth Skimmer and Chlorine Feeder (3 Pack) |
This product is perfect for above‑ground pool owners who want a simple, reliable way to connect their pump, filter, or skimmer. It’s great for anyone who needs a universal, easy-fit adapter that works every time. |
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2 Pcs Universal Bottle Emptying Kit, Multi-Tier Liquid Transfer Connector, Fits 0.59–1.38 in Bottle Mouths, Eliminate Waste, Kitchen Bathroom Laundry Use |
This 2-piece universal bottle emptying kit is perfect for anyone who wants to save time, reduce waste, and make the most of their products. Whether you’re in the kitchen, bathroom, or laundry room, this easy-to-use connector helps you transfer liquids effortlessly and keeps your space tidy. |
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2 Packs 21mm Flange Set, Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories, 106 Degree Wider Opening Angel |
This set is perfect for mothers who want soft comfort, a better fit, and smooth pumping. It’s great for anyone using a Spectra pump who needs a gentle, wide‑angle flange that feels good and works fast. |
Detailed Reviews
Find the best wide mouth connectors with a guide you can trust. Each pick is chosen for comfort, fit, and value. You’ll feel confident and curious to learn more.
1. PumpMom-us Wide Mouth Connector Duckbill Valves for Spectra S1 S2 9 Plus Pump, Widemouth Connector Compatible with Medela PersonalFit Shield and Lansinoh Flange Backflow Protector Base

Upgrade your pump today. These connectors fit well. They work with Spectra.
Get a strong seal. Use your Medela shields.
The valves last long. These parts stay clean. You save time now.
| Pros | Cons |
|---|---|
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Perfect For:
This is perfect for pump users who want a wide mouth connector for Spectra S1, S2, 9 Plus, or Synergy Gold pumps. It is also a great fit for people who need a simple, BPA-free, easy-to-clean part that works with PersonalFit Shields and Lansinoh ComfortFit Shields.
Ready to Purchase?
2. 2pcs Wide Mouth Connector Compatible with Spectra S1 S2 9 Plus Pump, Compatible with Medela PersonalFit Shield, Pumpin Pal Shield, Lansinoh ComfortFit, Maymom MyFit Shields, MyFit Crater Shield

This wide mouth connector set makes pumping simple and smooth. It works with many popular shields to give you a reliable fit.
It snaps on fast. It comes apart with ease. It fits well with many pumps.
The BPA‑free build keeps every part safe and clean. Washing is quick, and you only need soap, water, and a brush.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for busy moms who want simple, safe parts that fit their Spectra pumps with ease. It’s great for anyone who needs a quick, clean, and easy pumping setup.
Ready to Purchase?
3. Multi-Size Funnel Connector Wide Neck Part Wide Mouth Flange 18mm/19mm/20mm Simple

This three-in-one funnel connector fits 18mm, 19mm, and 20mm wide necks. It’s safe and simple for long-lasting use. Perfect for breastfeeding moms who need a reliable accessory.
Use it at home or outdoors for convenience and comfort. The horn-shaped shield ensures efficient milk extraction. It’s easy to clean and reassemble for hassle-free use.
Designed for new moms, this practical tool makes expressing milk quick and easy. A must-have for smooth breastfeeding.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for new moms who want a simple, safe, and easy way to express milk with comfort and ease. It also suits anyone who needs a quick, clean, and smooth pumping setup at home or outdoors.
Ready to Purchase?
4. 2 Packs 13mm Flange Set, Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories, 106 Degree Wider Opening Angel

This flange set gives you a soft, easy fit for smooth pumping. Each part works with Spectra S2, S1, and 9 Plus pumps.
The soft rim feels gentle on your skin. The wide angle helps more milk flow. The oval shape fits many breast shapes.
The parts are easy to clean. They are safe materials. They are simple to assemble.
| Pros | Cons |
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Perfect For:
This set is perfect for mothers who want a soft, gentle fit and need a small 13mm flange that works with Spectra pumps. It’s great for anyone who wants more comfort, better flow, and easy use every day.
Ready to Purchase?
5. 2 Packs 15mm Flange Set, Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories, 106 Degree Wider Opening Angel

Upgrade your breastfeeding journey with the 2 Packs 15mm Flange Set, designed for Spectra S2, S1, and 9 Plus pumps. Enjoy maximum comfort with the soft rim shield and wide-mouth connector, perfect for double pumping. The 106-degree wider opening fits larger or flatter breasts, ensuring a natural and efficient pumping experience.
Made from food-grade, BPA-free materials, these flanges are safe, durable, and easy to clean. They’re compatible with wide-neck bottles and hands-free pumping bras, making them a must-have accessory for nursing moms.
| Pros | Cons |
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Perfect For:
This 2-pack 15mm flange set is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps. It’s great for those with larger or flatter breasts and offers super comfort during pumping.
Ready to Purchase?
6. Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Accessories, Base Connectors, Bottles, Duckbill Valves, Backflow Protectors and Tubing, Not Original Spectra Parts

Maymom Pump Parts are compatible with Spectra S1, S2, and 9 Plus breast pumps. This kit includes essential accessories for daily pumping.
Each bottle has a two-piece travel cap for easy labeling. The wide-mouth connector ensures secure assembly and easy cleaning. All parts are BPA-free and FDA compliant.
These parts are not original Spectra accessories but offer reliable performance. They are ideal replacements for duckbill valves, backflow protectors, and tubing. Clean them with steam, boiling water, or microwave bags.
| Pros | Cons |
|---|---|
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Perfect For:
This set is perfect for busy moms who want safe, easy-to-use, and reliable pump parts. It’s great for anyone who needs simple, clean, and ready-to-go pieces for daily pumping.
Ready to Purchase?
7. Maymom MyFit Classic 19mm Shield, Does NOT Include Maymom Wide-Mouth Connector, Compatible with Spectra S2 Accessories Spectra S1 Not Original Spectra Pump Parts Spectra Flange

This shield fits well and keeps pumping simple. It works with many pumps you may already use. You only need the right connector to make it complete.
It is easy to clean and simple to set up. It is safe for milk and made with trusted materials.
| Pros | Cons |
|---|---|
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Perfect For:
This is perfect for moms who want a simple, comfortable, and easy-fit pumping setup. It’s great for anyone who needs a 19mm shield that works with Spectra and Medela pumps.
Ready to Purchase?
8. ATIE Universal 1.25″/1.5″ Combo Pool Hose Adapter SPX1091Z7, SPX1091Z4 Replacement for Above-ground Pool Pump, Filter, Skimmer, Compatible with Hayward Wide Mouth Skimmer and Chlorine Feeder (3 Pack)

This adapter set makes pool care simple. It fits 1.25″ and 1.5″ hoses with a snug, steady hold.
It works with Hayward wide mouth skimmers. It also fits Hayward chlorine feeders. It connects to most above‑ground pool pumps with ease.
You get three adapters in one pack. They replace Hayward SPX1091Z7 and SPX1091Z4 with a clean, tight fit.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for above‑ground pool owners who want a simple, reliable way to connect their pump, filter, or skimmer. It’s great for anyone who needs a universal, easy-fit adapter that works every time.
Ready to Purchase?
9. 2 Pcs Universal Bottle Emptying Kit, Multi-Tier Liquid Transfer Connector, Fits 0.59–1.38 in Bottle Mouths, Eliminate Waste, Kitchen Bathroom Laundry Use

This universal bottle emptying kit helps you use every last drop with ease. It fits many bottle sizes and makes liquid transfer simple and clean.
You save time. You cut waste. You keep things tidy.
| Pros | Cons |
|---|---|
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Perfect For:
This 2-piece universal bottle emptying kit is perfect for anyone who wants to save time, reduce waste, and make the most of their products. Whether you’re in the kitchen, bathroom, or laundry room, this easy-to-use connector helps you transfer liquids effortlessly and keeps your space tidy.
Ready to Purchase?
10. 2 Packs 21mm Flange Set, Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories, 106 Degree Wider Opening Angel

This 21mm flange set gives you a soft, easy fit that feels gentle on your skin. The wide-angle shield helps support smooth milk flow with less pressure.
The oval shape fits many breast shapes. The soft rim adds comfort. The parts clean fast and are simple to use.
| Pros | Cons |
|---|---|
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Perfect For:
This set is perfect for mothers who want soft comfort, a better fit, and smooth pumping. It’s great for anyone using a Spectra pump who needs a gentle, wide‑angle flange that feels good and works fast.
Ready to Purchase?
Buying Guide
Wide mouth connectors make pumping feel smooth. They help you get more done. They keep every session easy.
You want gear that feels right. You want parts that fit well. You want pumping to stay simple and stress‑free.
Factors to Consider When Buying Wide Mouth Connectors
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Compatibility:
Pick a connector that fits your pump and shield. Check your model before you buy. A good match gives a strong seal and steady flow. -
Material Quality:
Choose BPA‑free and safe materials. They should feel smooth and stay clean. Good materials last longer and protect your milk. -
Ease of Cleaning:
Look for parts that come apart fast. Simple shapes wash well with soap and water. Clean parts help you pump with peace of mind. -
Seal Strength:
A tight seal keeps suction steady. It helps you pump faster with less effort. A strong seal also reduces leaks. -
Comfort Fit:
Soft rims feel gentle on your skin. A smooth fit helps you relax. Comfort makes every session easier. -
Size Options:
Pick the right size for your body. A proper fit improves milk flow. It also reduces soreness. -
Durability:
Strong parts last longer. They stay firm after many washes. Durable connectors save you money over time. -
Ease of Assembly:
Choose connectors that snap on quickly. Simple designs save time. Fast assembly keeps your routine smooth. -
Bottle Compatibility:
Make sure the connector fits your wide‑neck bottles. This keeps your setup simple. It also prevents spills. -
Portability:
Light parts are easy to carry. They fit well in small bags. Portable connectors help you pump anywhere. -
Multi‑Pump Use:
Some connectors work with many popular pumps. This gives you more freedom. It also helps if you switch pumps later. -
Flow Support:
Wide angles help milk move better. Smooth funnels guide flow. Good flow support makes pumping faster.