We have well water with hard [minerals] and use a ZeroWater filter pitcher for coffee. The filter fits in the jug and so far has been good at reducing the PPM readings on the ZeroWater filter tester. I just installed it so can't confirm its lifespan, but if it lasts 3 months it's on par with OEM filters. My ratings are based on my expectations for the usefulness and quality of the items. I hope this one is helpful.
Filter under the sink Aquaphor Favorit ECO silver
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NANPU 3/8" NPT Compressed Air Filter Regulator Combo Piggyback, 5 Micron Brass Element, Poly Bowl, Semi-Auto Drain, Metal Bracket, 0-150 Psi Gauge
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NANPU DFR-02 1/4" NPT Air Drying System - Double Air Filters, Air Pressure Regulator Combo - Semi-Auto Drain, Poly Bowl
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NANPU Compressed Air Filter Regulator Combo: Brass Element, Semi-Auto Drain, 0-150 Psi Gauge, And More
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