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💨 Elevate your airflow game—because your tools deserve precision and power!
The NANPU 1/4" NPT Air Compressor Filter & Pressure Regulator Combo features a 5-micron brass filter element that efficiently removes contaminants, a semi-auto drain, and a clear polycarbonate bowl for easy monitoring. It delivers a high flow rate of 20 SCFM at 90 psi with precise pressure regulation from 0 to 150 psi, making it ideal for airbrushes, spray guns, and small pneumatic tools. The combo includes a pressure gauge, mounting bracket, fittings, and thread seal tape for quick, reliable installation.
















| Customer Reviews | 4.3 out of 5 stars 1,113 Reviews |
F**I
Good product
Works well. I bought for airbrushing and it adjusts the pressure very well.
G**S
Good regulator, works fine. Pro tip at end of review
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**B
Works good, but feels cheap
Worked as needed. 4 stars only because knob for regulator feels cheap, and I was unable to get the assembly very tight on the bracket because the nut is very cheap as well
T**D
Works great and easy to install
I bought this so I can get into air brushing. I tested it on 2 compressors, one large one with its own pressure adjustment (it lacks a vapor trap though) and one small one that was previously not adjustable. It was neat to be able to set the pressure on the small one and see it work as desired. Nice piece of kit. I used my own connectors (you can buy a big vacuum sealed set of compressor parts with hoses for like $10 at Home Depot—get that because you’ll want a bunch of QD attachments and extra nozzles/hoses), because the ones that came with it looked a bit shoddy. It came with a strange plastic QD connector, which I didn’t use because it wasn’t compatible with any of the standard 1/4 NPT male attachments. I’m not going to complain for the price, I suppose these connectors might be good for temporary use, as that appears to be all they are included for. PS, always wrap each thread at least three times in the nylon tape, and use a crescent wrench to get a tight seal so nothing leaks. Turn the compressor of after a minute or to so you can hear if there is a leak in your line before considering your install complete.
B**Y
Happy husband
My husband loves it. We were able to receive very quickly
B**P
Unimpressive. Leaks.
I needed a filter/regulator for a low-pressure, low-flow line (~20psi at a few CFM) that came off my main 80-100psi line. If you don't care about leaking a bunch of air, it probably does okay. The filter itself looks fine, but when I hooked it up to the line and turned on the air, it was leaking out the top of the regulator (by the knob the way a normal one will for a few seconds when you change the PSI when the line is already pressured). Maybe my application was too low-pressure for it to handle, though I doubt that as I went up to 40psi as well just to test it. It also leaks air out the drain like it's not actually sealing and I couldn't fiddle with it enough to make it stop. Not sure what the issue is there. Maybe I got a dud. The fittings are nice enough for low-pressure plastic, but the teflon tape it comes with is trash. I picked up an ARO and that immediately worked. I guess you get what you pay for (it was twice the cost).
A**R
Good fit
Perfect fit for my small airbrush compressor. Easy to assemble and easy to clean / maintain. Good so far.
B**E
fits and works great
As described and delivered on time
J**N
Works properly well…now
I’m hesitant to give this ‘full stars’ because when I installed it, it worked perfectly. BUT After couple of power outages and pressure dips the o-ring that seals the moisture drain developed a slice and would perpetually leak. I ended up replacing the o-ring with another of a similar width from a dry-herb vaporizer I had laying around in a maintenance kit. That upgraded o-ring is holding beautifully and I have zero other complaints about this reg/separator. It does it’s job perfectly (as long as you’re the type of person to notice, identify, and repair minor issues like a leaky $0.05 o-ring Edit - new prong is holding up beautifully. I can’t tell you it absolutely wasn’t user error so, based on ease to repair and functionality pre and post repair….it’s properly solid for a home workshop
W**Y
Good quality item
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.
D**S
Looks like I got a dud
I bought this for my compressor. I went to install it and it leaked like crazy. Didn't even hold air. I took it apart an noticed I didn't have a diaphragm. Since I took it apart I can't return it but it was defective.
D**O
Works, Needed Additional Adapters for Airbrushing
Does what you'd expect. Bought for my airbrush and realized a little too late I had to buy some additional adapters to use it with my airbrush/compressor. Great quality, but I wish I'd realized sooner and bought a kit that included a 1/4" NPT to 1/8" BSP adapter. I also opted to use a metal quick connect, rather then the plastic one that's provided.
D**S
Great
Worked great
Trustpilot
3 weeks ago
2 months ago