Secoh EL - Series Air Pump Repair Part Small Kit Diaphragms ONLY DIY for Septic and Pond Aerator Repairs Secoh EL-60, EL-80-15, EL-80-17, EL-100 Pumps Two kits repair Secoh EL-120W, EL-150W and EL-200W Pumps Includes 2 Diaphragms, 4 Spacers and Instruction - All Original OEM parts from SECOH Easy to install Comes in Vacuum Sealed Aluminium Packs