Can the oiler be bypassed when using a paint sprayer? Dont want oil in my paint!

I keep the Oiler clean and spray that way. Add coupla drop oil into tool each time I use it

can the units be swapped so the dryer is on the right and oil on the left and the air supply would come from the right and exit to the left?

No, the air needs to go into the dryer where it is marked "IN" on the left side. Only way you could do it is if you turn the unit around so the backside is facing you.

Anyone noticing a large drop in pressure when using a tool? When set to 90psi, when I activate a tool pressure drops 30psi.

That would vary with tool type and size and your compressor size and tank size.

Is there a precision adjustment for the oiler?

There is an adjustment, but it's not calibrated in any way. You use the sight glass at the top and just set it where you want it. Temperature and viscosity of the oil you use have a great effect on delivery with all of this type of oiler... you will be adjusting this as needed throughout the day.

Nanpu 1 4 Npt Air Filter Regulator Lubricator Combo Water

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

⚙️ Elevate your air tools with precision and protection — don’t let moisture slow you down!

PRECISION PRESSURE CONTROL - Dial in exact outlet pressure up to 125 PSI for optimal tool performance.
DURABLE 5 MICRON BRASS FILTER - Trap moisture and contaminants with a reusable, long-lasting brass element.
ALL IN ONE AIR PREP POWERHOUSE - Streamline your compressor line with integrated filtration, regulation, and lubrication.
COMPLETE INSTALLATION KIT INCLUDED - Get up and running fast with all necessary fittings, couplers, and seal tape.
SMART AUTO DRAIN IMPACT RESISTANT BOWL - Keep your system dry and protected with easy maintenance visibility.

The NANPU 1/4" NPT Air Filter Regulator Lubricator Combo is a compact, all-in-one solution designed to optimize compressed air systems. Featuring a 5-micron brass filter element, adjustable 0-125 PSI regulator, and an 18 SCFM flow rate, it effectively removes moisture and contaminants while maintaining precise pressure control. Its polycarbonate bowl with metal guard and auto drain function ensures durability and easy maintenance. Complete with an installation kit, this unit is ideal for professional-grade pneumatic tool protection and performance.

Reviews

E**L

Air filter

Works the way it’s supposed.

17.07.2026

J**S

Will need small adapter air hose.

Perfect

5.08.2026

I**N

Just okay

Works well at separating water and adding oil. The biggest problem for me is how poorly it flows, I lose so much power from my air tools using this, quite crucial power as well. The drain stripped out very easily and almost immediately. Other than the drain issue this has been a durable product and appears to be decent quality. I suppose this product would be perfect for most people, especially if you're not trying to use high power air tools. If I were using a paint gun this would be a good choice for the cost.

27.11.2023

C**O

Good buy

It works well especially if your not i to oili n g your tools on the REG.

9.05.2026

T**2

Nice

It takes some time to install and get everything working but once that is done it works great. I use my air compressor to clean out computers and servers and depending on weather conditions and temps I was getting moisture issues. So far this has completely solved my moisture issues.

17.02.2024

A**R

Air leak

I have not been able to stop this thing from leaking air. It leaks out of the plastic oil reservoir. I have tried using a different O ring to no avail. Do not recommend this product.

9.09.2025

Z**E

Product was as advertised

Simple, no frills, gets the job done. Product was as advertised

2.09.2023

W**E

Doesn't drain as suggested in the literature

Water bleeder is not as good as I wish

15.08.2026

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HK$631

Duties & taxes included

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Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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NANPU 1/4" NPT Air Filter Regulator Lubricator Combo, Water Separator

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Common Questions