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The incl. 24mm flanges are not suitable for all mothers. Please refer to the size guidance in the product listing before purchase. Suitable for mothers with a niple diameter of 22–23mm (measured after pumping). Kit Contents: 2 Flanges (24mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, and 2 Bottles with One-Piece Travel Caps. Compatible with Spectra S2, Spectra S1, and Spectra 9 Plus breast pumps. Nipples and dome caps are not included in this kit.
Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm.
All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts.
"Kit Contents: 2 Flanges (21mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with One-Piece Travel Cap). Compatible with Spectra S2, Spectra S1, Spectra 9 Plus Breastpump. Nipples and Dome Caps are NOT included in this kit.
"Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm.
"All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts.
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SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra Flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details.
CONTENTS: 6x duckbill valve and 4 x silicone membrane. Maymom replacement pump parts compatible with spectra duckbill valve and spectra silicone membrane. Not Original Spectra S2, S1, S2 PLUS, S1 PLUS, S3 Parts, Synergy Gold Replacement Pump Parts .
COMPATIBLE with Spectra S1 Spectra S2 Spectra 9 Plus breast pump (The duckbill valves also compatible with Spectra Dew 350). See photo illustrations for compatible breastpumps. Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membranes.
PROTECTS YOUR PUMP - RELIABLE CLOSED SYSTEM Features an effective closed system that isolates milk from the tubing, preventing backflow and protecting your pump motor from costly damage.
PERFECT FIT FOR SPECTRA & MOTIF PUMPS Designed for Spectra S1, S2, 9 Plus, Synergy Gold, and Motif Luna breast pumps. Precisely manufactured for a perfect fit with original equipment.
COMPLETE REPLACEMENT KIT - EVERYTHING YOU NEED This all-in-one kit includes 2 duckbill valves, 2 backflow protectors, 2 tubing, and 2 membranes. A complete solution to easily maintain your breast pump's peak performance and hygiene.
The incl. 19mm flanges are not suitable for all mothers. Please refer to the size guidance in the product listing before purchase. Suitable for mothers with a niple diameter of 17–18mm (measured after pumping). Kit Contents: 2 Flanges (19mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, and 2 Bottles with One-Piece Travel Caps. Compatible with Spectra S2, Spectra S1, and Spectra 9 Plus breast pumps. Nipples and dome caps are not included in this kit.
Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm.
All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts.
Seamless Spectra Pump Compatibility：Engineered for Spectra S1, S2, 9 Plus, and Synergy Gold breast pumps, Complete Replacement Kit content:2 Flanges (24mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, and 2 Bottles, No adapters, no guesswork—just secure click-and-go convenience. Whether you’re a first-time mom or a seasoned pro, setup should be instant and intuitive.
Find Your Ideal Fit:We offer 9 flange inserts for spectra: 13mm, 15mm, 17mm, 19mm,21mm, 24mm, 26mm, 28mm, 30mm, to ensure a precise, comfortable fit. Same suction power as OEM parts.Proper sizing reduces discomfort, enhances milk output, and promotes a more efficient pumping experience—because comfort drives performance.
Durable & Built Tough：Milkflow custom duckbill valves feature a reinforced base + non-slip grip zone, enabling dual-direction assembly/disassembly. Our design prevents direct pulling force on fragile top areas, significantly reducing deformation risks while minimizing tip cracking – extending part lifespan up to 1.3X longer.
Seamless Spectra Pump Compatibility：Engineered for Spectra S1, S2, 9 Plus, and Synergy Gold breast pumps, Complete Replacement Kit content:2 Flanges (24mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, and 2 Bottles, No adapters, no guesswork—just secure click-and-go convenience. Whether you’re a first-time mom or a seasoned pro, setup should be instant and intuitive.
Find Your Ideal Fit:We offer 9 flange inserts for spectra: 13mm, 15mm, 17mm, 19mm,21mm, 24mm, 26mm, 28mm, 30mm, to ensure a precise, comfortable fit. Same suction power as OEM parts.Proper sizing reduces discomfort, enhances milk output, and promotes a more efficient pumping experience—because comfort drives performance.
Durable & Built Tough：Milkflow custom duckbill valves feature a reinforced base + non-slip grip zone, enabling dual-direction assembly/disassembly. Our design prevents direct pulling force on fragile top areas, significantly reducing deformation risks while minimizing tip cracking – extending part lifespan up to 1.3X longer.
What You Get: 2x backflow protectors, 6x duckbills and 2 replacement tubing. Maymom pump parts can replace Spectra backflow protector, Spectra duckbill valve, Spectra tubing. Not original spectra pump parts. Not original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 pump parts.
SAME SUCTION POWER AS OEM PARTS. Maymom duckbill valves are compatible with Spectra Flange and Maymom flange. Maymom silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details. The tubing is also suitable for Ameda Mya Portable and Ameda Mya Pro pumps.
COMPATIBLE with Spectra S1 Spectra S2 Spectra 9 Plus Synergay Gold breast pump. Maymom replacement parts are also Compatible with Ameda Mya Portable and Ameda Mya Pro pumps.
SAME SUCTION POWER AS OEM PARTS. Maymom duckbill valves are compatible with Spectra Flange and Maymom flange. Maymom silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details. The tubing is also suitable for Ameda Mya Portable and Ameda Mya Pro pumps.
CONTENTS: 2x Backflow Protector (including 2 large caps, 2 small caps, and 2 silicone diaphragms.) 6x duckbill valve and 2 x silicone membrane and 2x tube. Maymom pump parts can replace Spectra backflow protector, Spectra duckbill valve, Spectra tubing, Spectra membrane. Not original spectra pump parts. Not original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 pump parts.
COMPATIBLE with Spectra S1 Spectra S2 Spectra S3 Spectra 9 Plus breast pump (The duckbill valves also compatible with Spectra Dew 350). See photo illustrations for compatible breastpumps. Not original Spectra S1 accessories, Spectra S2 accessories, Spectra S3 accessories, Spectra Duckbill Valves, Spectra Membranes.
SAME suction power as OEM valves. Compatible with Spectra Flange and Maymom breastshield.
Made by Maymom. Not original Spectra pump parts. Work with Spectra S2 accessories.
Duckbills for Spectra S1 S2 pumps. Go around the hole type. Contains 6 duckbill valves for Spectra. Work with Spectra S2, Spectra S1, Spectra 9 Plus, Spectra Dew 350, Spectra S2Plus, Spectra S1Plus
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