Silicone Diaphragm with Valve for S9 Pro/S12 Pro

Some breast pump accessories do need replacing regularly to maintain performance. If you notice that your pump seems to have lost suction, the first thing you should do is take a look at your parts, particularly the valves, and inspect for wear, fraying, or stretching and replace ...Some breast pump accessories do need replacing regularly to maintain performance. If you notice that your pump seems to have lost suction, the first thing you should do is take a look at your parts, particularly the valves, and inspect for wear, fraying, or stretching and replace if needed.

1. Diaphragm and duck valves need to be replaced every 3 months; 2. Backflow linker and flange shields need to be replaced every 6 months