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Aro-Flo Series Air Line Filter, 3/8 NPT Ports, 5 micron Element, 156 SCFM Flow Rating, 1.9 oz Bowl Capacity, Manual Drain

Description & Features

Designed for optimal performance the Aro-Flo Series Air Line Filter features 3/8 NPT Ports and a 5 micron Element. Ensuring efficient contaminant removal it supports a 156 SCFM Flow Rating with a 1.9 oz Bowl Capacity and includes a Manual Drain for ease of maintenance. Engineered with an aluminum body and a nylon bowl guard this filter withstands high-pressure environments with a maximum inlet pressure of 150 psi for polycarbonate bowls and 250 psi for metal bowls.

Supplier Part Number: F35331-400

Adaptable to various applications it can be installed with different filter elements including coalescing models capable of removing oil aerosols and particles down to 0.3 micron. The filter prefers an installation sequence of filter regulator and lubricator for optimal performance. For temperature ranges it operates efficiently within 23-125F for polycarbonate bowls and 23-175F for metal bowls. Constructed to handle demanding conditions it comes with nitrile seals and a brass + nitrile manual drain. The Aro-Flo combination FRLs are easily assembled using modular spacer kits and can be ordered with alternative springs to meet specific air regulating needs making it a versatile choice for pneumatic power and control systems.

Specifications

Bowl Capacity 1.9 oz	Dimensions 2.76W x 7.05H	Drain Type Manual	Brand Ingersoll-Rand Special Quotes	Brand Ingersoll-Rand	Pack Size 1.00	UOM EA	Element 5 micron	Flow Rating (SCFM) 156	Port Size 3/8 NPT	Series 2000	Supplier Part Number F35331-400	Alternate Part Numbers Alternate Part Number C1KL48	Product Weight 1.48 lbs

Similar Products

Model Number	Series	Flow Rating (SCFM)	Element	Drain Type	Bowl Capacity	Dimensions
F35121-400 Aro-Flo Series Air Line Filter	1000	49	5 micron	Manual	0.5 oz	1.58W x 4.30H
F35221-400 Aro-Flo Series Air Line Filter	1500	73	5 micron	Manual	1.2 oz	2.21W x 6.16H
F35331-400 Aro-Flo Series Air Line Filter	2000	156	5 micron	Manual	1.9 oz	2.76W x 7.05H
F35331-410 Aro-Flo Series Air Line Filter	2000	156	5 micron	Manual	2.4 oz	2.76W x 7.05H
F35341-400 Aro-Flo Series Air Line Filter	2000	197	5 micron	Manual	1.9 oz	2.76W x 7.05H
F35341-410 Aro-Flo Series Air Line Filter	2000	197	5 micron	Manual	2.4 oz	2.76W x 7.05H
F35451-420 Aro-Flo Series Air Line Filter	3000	288	5 micron	Manual	5.3 oz	3.54W x 9.93H

Product Questions & Answers (2)

Question by: Pete G on Feb 14, 2026, 11:35 AM

my air compressor runs pretty dirty lines and i'm always fighting rust and water in my tools. will a 5 micron filter actually catch enough of that junk, or do i need something finer?

Answer by: Customer Support on Feb 16, 2026, 6:22 AM

For most solid particulate and water contamination coming off a typical shop compressor, a 5 micron element handles the bulk of it just fine. Where you'd need to step up is if oil aerosols are a concern. This filter can actually be swapped to a coalescing element that pulls oil aerosols and particles down to 0.3 micron, so you've got room to upgrade without replacing the whole unit. The 40 micron element is also available separately if you ever need coarser prefiltration upstream. For a dirty line situation, pairing a standard 5 micron stage with a downstream coalescing filter in the F-R-L sequence would give you solid protection across the board.

Question by: Brett P on Nov 21, 2025, 1:54 PM

Reckon this'll work good for my garage air setup? Need somethin' that can handle a bit of work.

Answer by: Customer Support on Nov 22, 2025, 5:21 PM

For garage air setups, this filter's aluminum body and nylon bowl guard are built to withstand high-pressure environments, with a max inlet pressure of 150 psi for polycarbonate bowls and 250 psi for metal bowls.