Secoh JDK SE41 Diaphragm Kit Fits JDK-150 JDK-200 JDK-250 JDK-300 JDK-400 JDK-500

This Secoh JDK Diaphragm Pack Fits JDK-150 JDK-200 JDK-250 JDK-300 JDK-400 JDK-500, please watch the video in the image section to show how to change the Secoh JDK SE41 Diaphragm kit. Please note for the Secoh JDK S 300 Twin, Secoh JDK S 400 Twin and Secoh JDK S 500 Twin Air Pumps you will need to purchase 2 x Secoh JDK SE41 Diaphragm kits.