Best Cast Iron Performance Water Pumps in 2026

What you get: 4 pcs of membranes; after market silicone membrane for Maymom backflow protector (both short and long stem) and compatible with Spectra S1/S2 backflow protectors. Also compatible with Ameda Mya/Mya Pro pump, NOT Mya Joy pump.

Change the silicone diaphragms regularly to optimize the performance of your breastpump

Stronger material for improved performance

CONTENTS: 8x duckbill valve and 4 x silicone membrane. Made by Maymom, replacement pump parts compatible with spectra duckbill valve and spectra membrane. Not Original Spectra Pump Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 Parts.

COMPATIBLE with Spectra S1 Plus Spectra S2 Plus Spectra 9 Plus breastpump (The duckbill valves also compatible with Spectra Dew 350). Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membrane Replacement.

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 protector, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps.

2 SILICONE MEMBRANES for Spectra backflow protectors and Nenesupply backflow protector

THIS IS AFTERMARKET PART MADE BY NENESUPPLY. Use on SPECTRA S2, SPECTRA S1, SPECTRA 9 PLUS. Not Original Spectra S2 Accessories

OPTIMIZE PUMP PERFORMANCE. Replace silicone membranes regularly to optimize the performance of your breastpump

6 Count Replacement Duckbill Valves and 4 Count Silicone Membranes for Spectra S2, Spectra S1, Spectra 9 Plus breastpumps.

THIS IS AFTERMARKET PART MADE BY PumpMom. Not Original Spectra S2 Pump Accessories.

SAFE MATERIAL - Made with Food Grade Silicone, and can be washed in water steam or boiling water.

SAME AS THE ORIGINAL: We have tested that our duckbill valve replacements have the same suction power as the original one. Designed to replace the breast pump duckbill valve every 3-6 months, maintaining the best backflow prevention function and keeping your breast pump at the best performance level.

SAFE MATERIAL & BPA FREE: Made with Food Grade Silicone, and can be sterilized in water steam or boiling water. Comply with EU and US regulations for materials that contact food. Ideal to take care of new moms' and their babies' health and safety.

EASY-TO-CLEAN: Wash replaceable duckbill valves after each use with warm soapy water and rinse well with clean water. Do not use hard brushes and use finger tips instead. Drinking water is recommended for cleaning.

HIGH PERFORMANCE - Our submersible pump is equipped with a high efficiency motor that can produce a maximum flow rate of 550GPH (2000L/hr) and a vertical lift of 7.2ft at a low power consumption of 30W. Our submersible pump is fitted with corrosion-resistant stainless steel impeller shaft for better durability.

ULTRA QUIET & COMPACT - We use strong sound-absorbing suction cups together with a quiet motor for ultra quiet operation and to ensure the pond pump holds snugly in place. Our pond pumps are designed to be compact to allow you to conceal the pump and keep it out of sight.

ADJUSTABLE FLOW RATE - We made a flow control valve on our aquarium pump for you to adjust to the optimum flow rate. Made to be easily disassembled for maintenance. Our aquarium pump is sized to only allow dirt particles of up to 2mm in size to enter the pump, preventing large debris from damaging the fountain pump, prolonging its lifespan. Easy to operate!

PERFORMANCE – This aquarium pump is energy efficient with permanent magnet rotor and specially designed impeller. Max Flow 210GPH (800L/H), Max lift 3.5ft (1.05m), Power 10Watt. The flow rate of this pond pump can be adjusted with the flow regulator at the front housing.

SAFETY – The motor of this waterfall pump is fully sealed with epoxy resin. Each pump has been submerged in water and tested with super high voltage to avoid electricity leakage.

EASY PLACEMENT – This fish tank pump is easy to be placed anywhere in any direction with the strong suction cups. A 2.6ft (0.8m) silicone hose is included in the package to facilitate your applications.

PERFORMANCE – This aquarium pump is energy efficient with permanent magnet rotor and specially designed impeller. Max Flow 210GPH (800L/H), Max lift 3.5ft (1.05m), Power 10Watt. The flow rate of this pond pump can be adjusted with the flow regulator at the front housing.

SAFETY – The motor of this waterfall pump is fully sealed with epoxy resin. Each pump has been submerged in water and tested with super high voltage to avoid electricity leakage.

EASY PLACEMENT – This fish tank pump is easy to be placed anywhere in any direction with the strong suction cups. A 2.6ft (0.8m) silicone hose is included in the package to facilitate your applications.

Powerful: This strong aerator' s size: 6.5*4.3*3.9in, which is larger than the ordinary 2-outlets fish tank air pump. Max Air Flow Rate: 150 GPH; Pressure: 0.02 MPa; Power: 4 W. Stable Performance, perfect for aeration in 10 - 300 gallon fresh water and marine aquariums

Adjustable Air Flow: Just adjust the knob gently to get suitable air volume to suit different size of fish tanks. It allows you to fully oxygenate your tank with the desired air flow, improving the health of your fish by dissolving oxygen. At the same time, our aquarium air pump is designed with durability and aesthetics in mind, the knob and shell are brushed, which is beautiful and fashionable

Ultra Quiet: ①Most aquarium air pump have only a single-layer casing. This fish tank bubbler adopts the design of internal aerator + external casing, which greatly reduces the noise. ②Magnet drive design, suspended motor, quiet operation. ③With 4 Soft rubber feets on the bottom of the air bubbler to absorb and reduce the noise generated by the friction. In this way, the noise of the oxygen pump is reduced to less than 35 decibels, like a whisper. It won't disturb your sleep

6 Count Suitable for use - MomMed S21, Gekoja, TSRETE S23, MISSAA S18, Zooawa, Mumeasy, Mumgaroo Wearable Breast Pump. TOVVILD pump parts perform the same suction power as OEM parts.

Easy cleaning - wash S21/S23 pump parts after each use with warm soapy water and rinse well. Please use boiling water/steam, with a temperature of around 100°C (212°F). Do not use hard brushes. Do not use dishwasher.

Made of food-grade silicone material, Comply with FDA regulations for plastic materials that contact food.