US Made 2.73" x 20 inch Carbon Replacement Filter digital photometer and 10 buffers for maximum 5009 KDF shower filter and coffee makers
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Description
US Made 2.73" x 20 inch Carbon Replacement Filter digital photometer and 10 buffers for maximum 5009 KDF shower filter and coffee makers and 10 buffers for maximum accuracy These reagents are designed to be used with samples that have an expected range of 0 to 500 ppm total chlorine