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The Spectra Premium Large Membrane (Old Designed Twisting Mechanism Backflow Protector) is an essential part of your Spectra breast pump system, designed to prevent milk backflow into the tubing and motor during pumping. This membrane is an upgraded part, providing better protection against backflow, ensuring that your pump remains clean and free from milk residue, which can affect the performance of the motor.

The twisting mechanism of this backflow protector ensures that the membrane stays securely in place, offering a more reliable and stable seal compared to traditional designs. Made from high-quality, BPA-free materials, the Spectra Premium Large Membrane is safe for both mother and baby. It is compatible with all Spectra breast pump models that use the backflow protection system.

The large size of this membrane is ideal for use with Spectra's wide neck bottles, providing optimal suction and enhancing milk expression. It's easy to install, clean, and replace, ensuring hassle-free maintenance for your breast pump. If you’re looking for a reliable, high-performance part to maintain your pump’s hygiene and functionality, this Spectra Premium Large Membrane is a must-have.

• Prevents Milk Backflow
  Stops milk from flowing back into the tubing and motor, keeping your pump system clean and hygienic.

• Twisting Mechanism for Secure Fit
  The twisting mechanism ensures the membrane stays in place, providing a stable and reliable seal.

• BPA-Free and Safe
  Made from high-quality, BPA-free materials to ensure safety for both mother and baby.

• Compatible with Spectra Pumps
  Works with all Spectra breast pump models that use backflow protection.

• Ideal for Wide Neck Bottles
  The large size makes it perfect for use with Spectra’s wide neck bottles, ensuring optimal suction and performance.

• Easy to Install and Clean
  Simple to install, clean, and replace for hassle-free maintenance.