NANPU 1/4" NPT Compressed Air Filter Regulator Combo Piggyback, 5 Micron Brass Element, Poly Bowl, Semi-Auto Drain, Metal Bracket, 0-150 psi Gauge

This is a solid little regulator\filter. Works just fine. It comes with two 1\4npt nipples and a 1\4npt, male and female quick disconnect. The nipples are made from aluminum and the quick disconnect is plastic. I was actually surprised I got these, guess I didn't read the info. I know, aluminum and plastic? I'm sure if you used them they would work just fine. The only complaint I have is that the adjustment knob is kinda slick and smooth and tapered a bit making it hard to adjust because you need to pull the knob up to unlock before turning. This has a "semi automatic" drain on the filter bowl. This means that when there is no pressure going to the regulator the little valve is open and will drain liquid. When you turn on your compressor the regulator will sound like it's leaking air for a few seconds until it reaches about 5 psi and the bowl valve will seal and you're good to go. If your system is always pressurized you will have to disconnect the air to the regulator to drain any accumulated water in the bowl. Pro tip: Do not connect this directly on the compressor. Connect 25 to 50 feet of air hose to the tank. At the end of that hose connect the regulator\filter. Doing this allows the hot air coming from the compressor to condense the water vapor into liquid water so the filter can catch it. This is important when you are doing spraying or blowing and the compressor is running a lot. Also, the specs may say that this unit can be used up to 175 psi, but if you don't need 175 psi adjust the output to 125, of you can.

I couldn’t be happier with the NANPU 1/4" NPT Compressed Air Filter Regulator Combo Piggyback. From the moment I set it up, it impressed me with its ease of use and quality construction. The brass element and poly bowl feel solid and well-made, giving me confidence that it will hold up over time. The 0–150 psi gauge is clear and accurate, making pressure adjustments simple and precise. The semi-auto drain is a great feature that takes away the hassle of constant maintenance, and the included metal bracket and ball valve make installation straightforward and secure. What I like most is that it does exactly what it’s advertised to do—regulates air pressure consistently, filters moisture and debris effectively, and keeps my tools running smoothly. It’s rare to find a product that combines functionality, durability, and ease of use so well. Highly recommend this to anyone looking for a reliable air filter regulator combo that performs flawlessly!

I'm pleased with this little regulator. I'm using it only for a small oilless airbrush compressor, and it works fine for my purposes. I like the automatic water separator bleed, although my compressor doesn't move air fast enough to set it automatically (I have to manually hold it shut for a moment at every startup). This way I never have to remember to dump it before running into problems with my airbrushes. This was worlds away better than the original regulator that came on my compressor.

Great product

My compressor adjuster doesn't budge, so I bought this to do the job. There are no instructions about assembly, but it's simple. The device has "in" and "out" marked clearly, so there aren't many options to get confused. Me and my nanpu are getting a long well.

Update, the supplier offered a full refund based on my review. I will use that to purchase the same regulator. Excellent customer service like this deserves a second chance. Did well for 5 months. Now the water drain will not seal and slowly drains my 60 gallon tank to zero when not in use. It needs to be replaced. I haven't tried to get a warranty replacement but suspect that won't happen.

The regulator seems to be of a nice build. It was super easy to install/mount. The PSI increments lines on the gauge are at odd intervals. The gauge is slightly inaccurate by maybe 2-3 PSI. However the threading on the ¼ bores for the air in/out aren't that well machined. Using the supplied cheap Teflon tape I still had slight leaks. I bought premium Teflon tape and applied a ton of it to the threads and now it's leak free. It's a small compact size regulator compared to high end regulators. I bought the manual drain one but replaced the cup with an auto drain style cup I had lying around. I put an industrial style high flow male air fitting on the intake side of the regulator. It features a brass filter which is better than plastic. I like how it comes with 2 ¼ NPT brass extensions. I plan on attaching a dessicant dryer on the air out side of the water filter with an inline ¼ brass screen filter on the dessicant filter out port to prevent dessicant beads possibly getting into the plasma cutter hose. Then a ¼ push connect hose fitting with a polyurethane tube that's leads directly into the plasma cutter. For the money you can't beat it.

Installed it , so far working good.

Lo único es que se me hace como muy delicado

Worked great

Excellent and easy to use and set up

This was purchased tp replace a different brand I had to send back due to it being broken and generally low quality. This one arrive well packaged from the factory. Everything was in a foam enclosure and then a high gloss cardboard box. Attractive and lots of protection. The build quality was noticeably much better than the other brand yet was just a couple of dollars more. I installed in on my compressor and adjusted the regulator. Everything seems to be working perfectly.

Arrived in excellent condition, and packaging. Super fast delivery. Looks like a very good product, and quality components in the filtering / moisture collection component. Nice wall mounting bracket. Would give it a five star, but haven’t set it up yet so only giving it a 4 star. Not sure about the plastic or synthetic fitting. Never used them before. Prefer good old fashioned brass, steel fittings. Thinking it may be a five🙂. Will submit later if I’m wrong.