Great price. However, the top opening of the Blue Top carbon filter (2nd stage) was too small for my system. I have a standard 5 speed i-Spring system and the standard body mounts appear to have a 1 1/16" filter hole. The hole in the blue case was only about 15/16 inches. I had to drill it out with a forestry drill bit and then everything fitted.
Filter under the sink Aquaphor Favorit ECO silver
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NANPU 1 FRL Air Filter Regulator Lubricator Combo With 0-150 Psi Gauge, 5 Micron Brass Element, Poly Bowl & Semi-Auto Drain - Metal Bracket Included
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π§ 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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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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