
I have reverse osmosis water for the refrigerator and a drinking faucet in the sink. I've been using these filters since 2014, the last ones are ok. 8-9 months depending on the number of people consuming drinking water. No problem, just uninstall in the right order and install in the right order.

Hydronix CB 45 2001 Commercial Industrial Activated 💧 Water Filter: The Ultimate Solution for Efficient Water Purification
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💧 Hydronix HF2 10CLWH12 White Clear Body
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💧 The Ultimate Pentek Big Blue Housing NPT: Top-rated Choice for Exceptional Filtration
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Filter under the sink Aquaphor Crystal A, 1/2" white
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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 1/2" NPT Air Drying System - 5 Micron Particulate Filter, 0.01 Micron Coalescing Filter, Air Pressure Regulator Combo - Semi-Auto Drain, Poly Bowl W/Metal Gauge
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🔧 NANPU 1/2" NPT Compressed Air Filter Regulator Combo Piggyback with Auto Drain, 5 Micron Brass Element, Poly Bowl, Metal Bracket, and 0-150 psi Gauge
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