Ingersoll Rand
Filter Regulator Lubricators (FRLs)

Filter Regulator Lubricators (FRLs) are essential components in pneumatic systems, ensuring clean, regulated, and lubricated air for optimal performance, efficiency, and longevity of equipment. The filter removes contaminants like dust, dirt, and moisture, preventing damage and corrosion, while the regulator maintains a stable and adjustable air pressure to prevent system fluctuations and inefficiencies. The lubricator introduces a fine mist of oil into the air stream, reducing friction and wear on pneumatic tools and machinery.
- Air Filtration – Removes dust, dirt, and moisture
- Pressure Regulation – Maintains stable and adjustable air pressure
- Automatic Lubrication – Reduces friction and wear on pneumatic tools
- Modular Design – Easy installation and maintenance
- Durable & Compact – Built for industrial use with a space-saving design
- Energy Efficient – Reduces pressure drops and optimizes air usage
- Extended Equipment Life – Prevents clogging, corrosion, and wear
FRLs help improve air quality, extend equipment lifespan, enhance performance, and reduce maintenance costs, making them ideal for industries such as manufacturing, automation, construction, and food processing. Available in various sizes and configurations, FRLs ensure reliable, efficient, and long-lasting pneumatic operations.
For help choosing the correct ARO Filter Regulator Lubricator for your application, please call (800) 608-5210 or email info@intlairtool.com
Shop by Filters
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List Price: $88.00$64.71
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Ingersoll Rand
ARO F35231-310 Coalescing Filter | 1500 Series | 3/8" Port Size | Manual Drain | Metal Bowl with Sight Glass | 107 SCFM
List Price: $150.00$110.29 -
Ingersoll Rand
ARO F35121-420 Standard Filter | 1000 Series | 1/4" Port Size | Manual Drain | Metal Bowl | 49 SCFM
List Price: $54.00$39.71 -
Ingersoll Rand
ARO C38341-600 2-Piece FRL Combination Unit | 2000 Series | 1/2" Port Size | Relieving | Polycarbonate Bowl with Gauge | 120 SCFM
List Price: $357.00$262.50 -
Ingersoll Rand
ARO P39344-100 Relieving Piggyback Filter-Regulator | 2000 Series | 1/2" Port Size | Polycarbonate Bowl | 172 SCFM
List Price: $179.00$131.62 -
Ingersoll Rand
ARO C38231-811 3-Piece FRL Combination Unit | 1500 Series | 3/8" Port Size | Relieving | Metal Bowl with Gauge | 85 SCFM
List Price: $392.00$288.24 -
Ingersoll Rand
ARO PR4055-200 Regulator | High-Flow Precision Series | 3/4" Port Size | 0 - 60 PSIG | 200 SCFM
List Price: $657.00$483.09 -
Ingersoll Rand
ARO R37341-620 Non-Relieving Regulator | 2000 Series | 1/2" Port Size | Standard Knob Control | 210 SCFM
List Price: $127.00$93.38 -
Ingersoll Rand
ARO F35231-411 Standard Filter | 1500 Series | 3/8" Port Size | Auto Drain | Metal Bowl with Sight Glass | 107 SCFM
List Price: $115.00$84.56 -
Ingersoll Rand
ARO L36121-100 Lubricator | 1000 Series | 1/4" Port Size | Polycarbonate Bowl with Guard | 51 SCFM
List Price: $71.00$52.21 -
Ingersoll Rand
ARO F35121-321 Coalescing Filter | 1000 Series | 1/4" Port Size | Auto Drain | Metal Bowl | 49 SCFM
List Price: $97.00$71.32 -
Ingersoll Rand
ARO R37581-100 Relieving Regulator | Super-Duty Series | 1-1/2" Port Size | No Gauge | 0 - 125 PSIG | 1200 SCFM
List Price: $388.00$285.29 -
Ingersoll Rand
ARO F35591-410 Standard Filter | Super-Duty Series | 2" Port Size | Manual Drain | Metal Bowl | 1,400 SCFM
List Price: $1,154.00$848.53 -
Ingersoll Rand
ARO C38351-610 2-Piece FRL Combination Unit | 2000 Series | 3/4" Port Size | Relieving | Metal Bowl with Gauge | 142 SCFM
List Price: $414.00$304.41 -
Ingersoll Rand
ARO P39334-100 Relieving Piggyback Filter-Regulator | 2000 Series | 3/8" Port Size | Polycarbonate Bowl | 132 SCFM
List Price: $172.00$126.47 -
Ingersoll Rand
ARO P39124-204 Relieving Piggyback Filter-Regulator | 1000 Series | 1/4" Port Size | Polycarbonate Bowl | 47 SCFM
List Price: $87.00$63.97 -
Ingersoll Rand
ARO C38331-801 3-Piece FRL Combination Unit | 2000 Series | 3/8" Port Size | Relieving | Polycarbonate Bowl with Gauge | 99 SCFM
List Price: $463.00$340.44 -
Ingersoll Rand
ARO PR4055-300 Regulator | High-Flow Precision Series | 3/4" Port Size | 0 - 30 PSIG | 200 SCFM
List Price: $657.00$483.09 -
Ingersoll Rand
ARO F35331-410 Filter | 2000 Series | 3/8" Port Size | Manual Drain | Metal Bowl with Sight Glass | 156 SCFM
List Price: $123.00$90.44 -
Ingersoll Rand
ARO R37331-400 Relieving Regulator | 2000 Series | 3/8" Port Size | Standard Knob Control | 179 SCFM
List Price: $87.00$63.97
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