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Linear Septic Air Pumps can be rebuilt and returned to optimal performance with OEM Diaphragm Kits, directly sourced from the manufacturer. Avoid the pitfalls of inferior, non-genuine diaphragms that fail within months; invest in authenticity and reliability. We offer a comprehensive range of OEM replacement diaphragm kits for an array of septic air pump models, including the HiBlow HP-80, FujiMac, and Thomas. These parts promise to extend the life of your septic air pump in most cases, ensuring it operates reliably for years to come.