Some Functions about Sunnila Coffee Filter Cartridges: Filtration Efficient filtration of turbidity, general bacteria, E. coli, protozoa, organic matter, rust, free residual chlorine, oxygen consumption. Fit Sunnila coffee filter cartridge with design to ensure it fits your original coffee machine perfectly. There is zero leak, and your water stays fresh. Extended Machine Lifespan The 3 months (or 100L) lifespan means you pay just 8 cents daily for filtered water.
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