Filters, Regulators & Lubricators (FRLs)

The ARO-Flo Series FRLs Raise The Bar In The Industry For Safety, Flow Performance And Modularity.

Since 1930, ARO has been an industry leader in the design and manufacture of pneumatic tools and air preparation equipment.

Clean air is a key ingredient that enables the effective and efficient operation of tools, equipment, and machinery in almost every industry. Using air preparation devices, such as filters, regulatorsand lubricators (FRLs), is an excellent means of keeping your airsupply in top condition, as well as enabling your tools and equipmentto operate at their peak performance.

If you need assistance choosing the right air filter, regulator, and lubricator combination for your application or have questions regarding assembly or accessories, contact us today. Our experts are happy to help.

Filters Regulators Lubricators FRL


2-Piece Combo Units

3-Piece Combo Units




Parts & Accessories


Our ARO-Flo Series of filters, regulators and lubricators and select accessories can now be used in hazardous duty locations requiring ATEX compliance. Learn more.


Providing safe tools and equipment is our top priority. ARO-Flo Series FRLs are designed with integrated safety features such as locking bowls and clear multilingual markings. Accessories such as lockout valves, check valves, and soft-start valves allow the air supply to be safely managed and controlled.


All ARO-Flo accessories are designed to integrate with each other within each size range. From pipe adapters to T-brackets, your complete FRL assembly and its individual components can be easily, safely, and quickly assembled or disassembled with a minimum of tools — no fuss or complications, even with fixed piping.


ARO-Flo Series FRLs set the standard for flow performance. Simply put, air flows better through ARO-Flo filters, regulators, and lubricators than almost any other air filtration device. This means less air is choked during the air preparation process, and your equipment can perform at its peak performance.