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ARO 1/8" & 1/4" Brass Regulators



Get accurate, low-cost control of air and water flow with these ARO Brass Regulators. The brass body provides corrosion protection against regulated fluids with internal stainless steel valve springs. Get accurate, reliable control with the non-rising, locking adjustment knob that maintains the desired setting. Perfect for your most rugged and demanding air and water applications, these brass regulators have flexible mounting applications.


  • Panel mounting nut is part of the regulator and is included at no additional cost. Industry standard 1-3/16” - 18 threaded spring housing enables easy panel mounting (max. panel thickness is 3/16”). Available mounting bracket and stud mount provide a choice of wall mountings. Compact size is ideal for installations where space is limited

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industrial-tools-parts-breakdown.pngLooking for more information about ARO Filter Regulators? Click here to view the ARO FRL Catalog.

For help choosing the correct ARO Filter Regulator Lubricator for your application, please call (800) 608-5210 or email