They work as well or better than those that cost almost twice as much. The NAME on the packaging doesn't matter compared to the COST and durability = value. Array types can also be flushed if required (at this price point, don't worry, but there is a friend who does this, including using an array) to ensure any particles larger than the nominal size are filtered out.
NANPU Compressed Air Filter Regulator Combo: Brass Element, Semi-Auto Drain, 0-150 Psi Gauge, And More
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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 Air Drying System With Double Filters And Pressure Regulator Combo For Clean And Controlled Air Supply
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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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