I needed a compact air filter for my fuel tank. These did their job. The only thing I didn't like was the "MADE IN CHINA" stamp on the packaging, but who cares these days. I should also note that the size of the hex on the fitting is probably metric. It wasn't 9/16" or 5/8". For my use it doesn't matter since the threads were 1/4" NPT, but if you're installing it in a spot where a crescent wrench won't fit - be aware.
NANPU Compressed Air Filter Regulator Combo: Brass Element, Semi-Auto Drain, 0-150 Psi Gauge, And More
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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 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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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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