Secoh EL - Series Air Pump Full Repair Part Diaphragm Kit 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, 2 Valve Boxes, 1 Air Filter, 4 Spacers, 2 Nuts, 2 Washers, 2 Bolts and Instruction Easy to install Comes in Vacuum Sealed Aluminium Packs