John Blue part 20633-11: 10-100/10-100 E-Z METER 3PH TEFLON S2000. This genuine John Blue OEM component is built for proper fit, sealing, and performance in John Blue pump and application systems. It is used for service, repair, or new installation to keep flow, pressure, priming, and reliability within spec. John Blue designs application and transfer solutions for liquid fertilizer, chemigation, and agricultural chemicals — including piston pumps, squeeze tube pumps, 12‑volt pumps, diaphragm/spray pumps, centrifugal transfer pumps, injection pumps, flow dividers, and monitoring accessories for accurate rate control. Install according to the manufacturer's service instructions. Confirm material compatibility with the fertilizer, chemical, or fluid being pumped, and torque or orient the part as specified to prevent leaks and maintain safe operating pressure.