Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
ARO F35121-320 Coalescing Filter, 1/4 in NPT, 0.3 Micron, 49 cfm, 250 psi - ARO FRL Air Filters
AROARO FRL Air Filters

ARO F35121-320 Coalescing Filter, 1/4 in NPT, 0.3 Micron, 49 cfm, 250 psi

The ARO Pneumatic Oil Filter: Coalescing is an FRL air filter from ARO, designed for pneumatic systems. It features a 1/4 in NPT connection, 0.3 micron filtration, 49 cfm flow capacity, and a maximum operating…

SKU 3G-OTH-147346

Also listed as: F35121320 · F35121 320

Brand
ARO
Item
F35121-320 Coalescing Filter, 1/4 in NPT, 0.3 Micron, 49 cfm, 250 psi
Part Number
F35121-320
Category
ARO FRL Air Filters
Available to Order
Also known as:F35121-320ARO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARO
Manufacturer Part Number
F35121-320
Type
0.3 micron, 49 cfm, 1000
NPT
1/4 in
Max Op Pressure
250 psi

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO Pneumatic Oil Filter: Coalescing is an FRL air filter from ARO, designed for pneumatic systems. It features a 1/4 in NPT connection, 0.3 micron filtration, 49 cfm flow capacity, and a maximum operating pressure of 250 psi. The model number is F35121-320, with a series identifier of 1000.

Frequently Asked Questions

What is the ARO F35121-320 pneumatic oil filter used for?

The ARO F35121-320 coalescing filter removes oil aerosols and fine particulates from compressed air lines. It is used in pneumatic systems to protect downstream equipment like valves, cylinders, and tools from contamination, ensuring reliable operation and extended component life.

What are the specifications of the ARO F35121-320 coalescing filter?

The ARO F35121-320 is a 0.3 micron coalescing filter with a 1/4 in NPT connection, 49 cfm flow capacity, and 250 psi maximum operating pressure. It is part of the 1000 series and is designed for pneumatic FRL systems requiring high-efficiency oil removal.

Where to buy the ARO F35121-320 coalescing filter worldwide?

3G Electric supplies the ARO F35121-320 coalescing filter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this pneumatic component.

How to install the ARO F35121-320 coalescing filter?

Install the ARO F35121-320 filter in the compressed air line with flow direction matching the arrow on the housing. Use thread sealant on the 1/4 in NPT ports and tighten to manufacturer torque specs. Ensure the bowl is accessible for periodic element replacement and drain maintenance.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and 316 SS wetted parts for corrosive fluid transfer
Food and beverage — FDA-compliant ARO AODD pump SD20S-CSS-SMM-B00 with Santoprene diaphragm and Tri-Clamp connections
Water treatment — ARO air control valves and FRL units for pneumatic control in filtration and dosing systems
General manufacturing — ARO air-end repair kits and O-rings for maintaining double diaphragm pumps in assembly lines
Pharmaceutical — ARO sanitary AODD pumps with 316 SS check valves for shear-sensitive and sterile fluid handling
Oil and gas — ATEX-rated ARO FRL units and air control valves for use in hazardous atmospheres
Not sure this is the right part? Photo-identify it→

ARO Products

3G Electric supplies ARO aro frl air filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Coalescing filter for compressed air systems. Removes oil aerosols and particulates to protect downstream pneumatic equipment. Features 1/4 in NPT connection, 0.3 micron filtration, 73 cfm flow capacity, and maximum operating pressure of 150 psi
ARO
Coalescing filter for compressed air systems. Removes oil aerosols and particulates to protect downstream pneumatic equipment. Features 1/4 in NPT connection, 0.3 micron filtration, 73 cfm flow capacity, and maximum operating pressure of 150 psi
Coalescing filter for compressed air systems. Removes oil aerosols and particulates to protect downstream pneumatic equipment. Port size: 1/2 in NPT. Filtration: 0.3 micron. Flow capacity: 197 cfm. Maximum operating pressure: 250 psi
ARO
Coalescing filter for compressed air systems. Removes oil aerosols and particulates to protect downstream pneumatic equipment. Port size: 1/2 in NPT. Filtration: 0.3 micron. Flow capacity: 197 cfm. Maximum operating pressure: 250 psi
Compressed air coalescing filter for removal of oil aerosols and particulates. 1/2 in NPT connection, 0.3 micron filtration rating, 216 cfm flow capacity, maximum operating pressure 150 psi. Suitable for pneumatic controls, instrumentation, and paint spraying applications
ARO
Compressed air coalescing filter for removal of oil aerosols and particulates. 1/2 in NPT connection, 0.3 micron filtration rating, 216 cfm flow capacity, maximum operating pressure 150 psi. Suitable for pneumatic controls, instrumentation, and paint spraying applications
This ARO coalescing filter removes oil aerosols and particulates down to 0.3 micron from compressed air systems. With a 1/2 in NPT port size, 197 cfm flow capacity, and 150 psi maximum operating pressure, it is suitable for applications requiring clean, dry air to protect downstream pneumatic equipment
ARO
This ARO coalescing filter removes oil aerosols and particulates down to 0.3 micron from compressed air systems. With a 1/2 in NPT port size, 197 cfm flow capacity, and 150 psi maximum operating pressure, it is suitable for applications requiring clean, dry air to protect downstream pneumatic equipment
Coalescing filter for compressed air systems. Removes oil aerosols and particulates. 3/4 in NPT connection, 0.3 micron filtration, 216 cfm flow capacity, 250 psi maximum operating pressure. Suitable for pneumatic controls, instrumentation, and paint spraying applications
ARO
Coalescing filter for compressed air systems. Removes oil aerosols and particulates. 3/4 in NPT connection, 0.3 micron filtration, 216 cfm flow capacity, 250 psi maximum operating pressure. Suitable for pneumatic controls, instrumentation, and paint spraying applications

More from ARO

View all ARO parts →
Compressed air particulate filter with 3/8 in NPT ports, 5 micron filtration, 107 cfm flow capacity, and 150 psi maximum operating pressure. Removes solid contaminants from compressed air lines to protect downstream pneumatic equipment in industrial systems
ARO
Compressed air particulate filter with 3/8 in NPT ports, 5 micron filtration, 107 cfm flow capacity, and 150 psi maximum operating pressure. Removes solid contaminants from compressed air lines to protect downstream pneumatic equipment in industrial systems
Compressed air filter with 1 in NPT ports, 5 micron filtration element, and 353 scfm flow capacity at 250 psi maximum operating pressure. Features a metal bowl and automatic drain for continuous removal of condensate. Used in pneumatic systems to remove particulates and moisture from compressed air lines
ARO
Compressed air filter with 1 in NPT ports, 5 micron filtration element, and 353 scfm flow capacity at 250 psi maximum operating pressure. Features a metal bowl and automatic drain for continuous removal of condensate. Used in pneumatic systems to remove particulates and moisture from compressed air lines
Compressed air filter with 5 micron element removes particulates and moisture. Features 3/4 in NPT ports, 288 scfm flow capacity, 250 psi maximum operating pressure, metal bowl, and automatic drain. Suitable for industrial pneumatic systems requiring clean, dry air
ARO
Compressed air filter with 5 micron element removes particulates and moisture. Features 3/4 in NPT ports, 288 scfm flow capacity, 250 psi maximum operating pressure, metal bowl, and automatic drain. Suitable for industrial pneumatic systems requiring clean, dry air
Compressed air filter with 1/2 in NPT ports, 5 micron filtration element, and 197 scfm flow capacity. Metal bowl with automatic drain. Maximum operating pressure 250 psi. Used to remove particulates and moisture from industrial compressed air systems for pneumatic tools and automation equipment
ARO
Compressed air filter with 1/2 in NPT ports, 5 micron filtration element, and 197 scfm flow capacity. Metal bowl with automatic drain. Maximum operating pressure 250 psi. Used to remove particulates and moisture from industrial compressed air systems for pneumatic tools and automation equipment
Coalescing filter for compressed air systems with 3/8 in NPT connection. Removes oil aerosols and particulates down to 0.3 micron. Rated for 125 cfm flow and 150 psi maximum operating pressure. Used in industrial pneumatic circuits to protect downstream equipment
ARO
Coalescing filter for compressed air systems with 3/8 in NPT connection. Removes oil aerosols and particulates down to 0.3 micron. Rated for 125 cfm flow and 150 psi maximum operating pressure. Used in industrial pneumatic circuits to protect downstream equipment
ARO 2000 series compressed air filter removes particulate contaminants down to 5 micron. Features 3/8 in NPT ports, 156 cfm flow capacity, and 150 psi maximum operating pressure. Used in pneumatic systems to protect downstream components from wear and fouling
ARO
ARO 2000 series compressed air filter removes particulate contaminants down to 5 micron. Features 3/8 in NPT ports, 156 cfm flow capacity, and 150 psi maximum operating pressure. Used in pneumatic systems to protect downstream components from wear and fouling
Coalescing filter for compressed air systems with 1/4 in NPT ports. Removes oil aerosols and particulates at 0.3 micron rating, flow capacity 49 cfm, maximum operating pressure 150 psi. Protects pneumatic components from contamination in industrial applications
ARO
Coalescing filter for compressed air systems with 1/4 in NPT ports. Removes oil aerosols and particulates at 0.3 micron rating, flow capacity 49 cfm, maximum operating pressure 150 psi. Protects pneumatic components from contamination in industrial applications
Coalescing filter for compressed air systems with 1/4 in NPT ports. Removes oil aerosols and fine particulates down to 0.3 micron at 73 cfm flow capacity. Maximum operating pressure 250 psi. Used in pneumatic circuits to protect downstream components from contamination
ARO
Coalescing filter for compressed air systems with 1/4 in NPT ports. Removes oil aerosols and fine particulates down to 0.3 micron at 73 cfm flow capacity. Maximum operating pressure 250 psi. Used in pneumatic circuits to protect downstream components from contamination

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first