The Hardi 240435 is a genuine OEM Teflon diaphragm specifically designed for Hardi M 500 and M 600 series agricultural sprayer pumps. This high-quality diaphragm ensures reliable operation and proper sealing, critical for maintaining consistent pressure and efficient fluid transfer in Hardi sprayers. Made from durable Teflon, it offers excellent chemical resistance and longevity, making it an essential component for pump maintenance.