Secoh SLL-40 Septic Air Pump Rebuild Kit
The Sll-40 rebuild kit will service the Secoh SLL-40 septic aerator and bring it back to full operating capacity. With age all diaphragms eventually fail and need to replaced so that the aerator will work again. The rebuild kit is easy to install with regular household tools and takes about 20 minutes to do. It comes with two diaphrams, two chamber blocks, new gaskets, and new air filter.