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Packaged Downflo® Evolution

For over 40 years, Donaldson has been at the forefront of cartridge collection and has developed game-changing solutions that include enhanced airflow design, MaxPulse™ cleaning system, triagonal filter shape, and industry-leading Ultra-Web® filtration media. Leveraging decades of experience, Donaldson developed the Packaged Downflo® Evolution: an attractive, quiet, easy-to-install dust collector with unrivaled filtration performance – delivering operational confidence in today’s advanced manufacturing environment.
Packaged Downflo® Evolution Cartridge Collector


A complete dust collection system that ships assembled for easy installation and operation.


Industry-leading technology to meet manufacturers’ expectations for clean air and reduced operating costs. The unit can be configured to fit site requirements.


Durable construction and reliable operation for maximized production uptime.

Other features & benefits include:

  • Clean Aesthetics
    Strong and durable 10/12 gauge, all-welded Packaged Downflo Evolution dust collectors feature modern, clean lines to complement state-of-the-art manufacturing environments and are ideal for integration into OEM designs and variety of applications.

  • Easy Service
    Tool-free, hinged access doors allow simple, quick filter changeouts.

  • Easy Dust Disposal
    Wheeled bins, available in two different sizes, make dust clean up simple and easy.

  • Maximize Space Utilization
    Compact size and small footprint, the Packaged Downflo Evolution collectors are available up to 700 m³/min / 6,000 cfm.

  • Downward Airflow Advantage
    EPA-sponsored research has shown that “superior performance results from downward flow of the dirty airstream, reducing re-deposition of dust onto filter packs.” The Donaldson Packaged Downflo Evolution supports dust and fume control on continuous duty applications.

  • Integrated Controls
    Delta P and Delta P Plus control panels manage all collector functions, including the fan, filter differential, and pulse cleaning system.

  • Quiet Operation
    Base mounted, high-performance fans minimize noise and exhaust sound abatement design delivers quiet operation.
Small Bin (64 L / 17 gal.) vs. Large Bin (155 L / 41 gal.)

High Production Bin Option

Donaldson offers a larger bin option to support high volume, high capacity applications where minimal downtime for bin dumping is imperative. The larger collection volume provides:

 • Maximized production uptime
 • Fewer dust collection bin dumps
 • Fast, simple dumping
 • Wheeled hopper for easy transport
 • Same collector footprint
 • No additional height or stilts to add

Energy Efficiency

Superior pulse cleaning design reduces compressed air usage.


Filter Size

Donaldson 660 mm / 26 in. filters are highly efficient while having a smaller size, making filter maintenance quick and easy.

Proven Results


Donaldson’s proprietary MaxPulse™ Cleaning System enhances cleaning performance, providing improved filtration capacity, maximized filter life and minimized compressed air consumption, resulting in excellent energy efficiency.*

*Improvements based on a comparison to traditional cartridge cleaning system design.


The diagram above depicts the flow of compressed air for cleaning through the Downflo Evolution cartridge filter.

Ultra-Web® Performance Media

Donaldson’s filter design uses Ultra-Web® filtration technology, featuring a layer of fine fibers (0.2 - 0.3 microns in diameter) on the surface of the media to capture sub-micron contaminants. The resulting dust cake is then easily cleaned off during automated cleaning cycles, ensuring cleaner air longer.

Fine Fiber Media (600x)

Fine fiber surface loading technology is available in all Ultra-Web and Fibra-Web filter cartridges.

Commodity Filter Media (600x)

Conventional media has spaces of up to 60 microns between fibers, allowing dust to become deeply embedded.

Product Benefits

  • Completely Packaged — One-Stop Shopping
  • Fully Assembled — Minimal Installation Efforts
  • Pre-Wired — Minimal On-Site Wiring
  • Smaller Collectors — Save Freight Costs & Space
  • Fewer Filter Changes — Less Downtime, Maintenance
  • Quiet Energy Efficient Power Packs

Features & Options

Collector Design† DFEP4, DFEP6 & DFEP8 Standard Optional
Mild Steel Construction  
Strong 3/16 to 12 Gauge Mild Steel Structure per IBC2006  
Downward Airflow Advantage  
Grade Level Duct Inlet  
Front, Top Duct Inlet  
Easy Filter Access – No Tools Required  
MaxPulse™ Cleaning System  
Premium Efficiency Motors PE  
Integrated High-Performance TEFC Fan Packs  
Sprinkler Couplings  
Built-In Exhaust Silencer  
Built-In Damper Valve  
Top Exhaust Outlet  
Integrated Rear HEPA Filters  
Rear Weatherhood  
Top Mount HEPA Filters  


Safety Equipment Standard Optional
Side-Mount Explosion Vents per NFPA 68-2013  
Explosion Suppression  
Sprinkler Pack  
Electrical Grounding and Bonding  
Inline Spark Cooler  
Fire Suppression  


Filter Packs Standard Optional
Ultra-Web® (MERV* 15)  
Ultra-Web® FR (MERV* 15); Ultra-Web® SB (MERV* 15); Ultra-Web® AS (MERV* 15); Fibra-Web® (MERV* 14); Thermo-Web™ (MERV* 14); Torit-Tex™ (MERV* 16); High Temp (MERV 13)
HEPA/ASHRAE Afterfilters  


Hopper Discharge Standard Optional
Small 64 L / 17 gal. Dust Bin (DFEP4 & DFEP6)  
Large 155 L / 41 gal. Dust Bin (DFEP8)  
Large 155 L / 41 gal. Dust Bin (DFEP4 & DFEP6)  


Electrical Controls Standard Optional
Integrated Torit Delta P with Motor Starter  
Integrated Torit Delta P Plus with Motor Starter  
External Remote-Mount Torit Delta P with Motor Starter  
External Remote-Mount Torit Delta P Plus with Motor Starter  

with 24VDC START/STOP, Low-Voltage Feedback Relay


with Airflow Controller with VFD

Integrated Electrical Enclosures NEMA 12  
Remote-Mount Electrical Enclosures NEMA 4  


Paint System Standard Optional
Textured Multi-Coat Paint Finish with 2,000-Hour Salt Spray Performance  
Premium Duty Finish  
Custom Colors, Materials and Finishes  


Warranty Standard Optional
10-Year Warranty  
* The Minimum Efficiency Reporting Value (MERV) of this filter cartridge has been determined through independent laboratory testing using ASHRAE 52.2 test standards. The MERV rating was determined at a face velocity of 36 meters per minute / 118 feet per minute and loading up to 101.6 mm / 4 in. water gauge. Actual efficiency of any filter cartridge will vary according to the specific application parameters. Dust concentration, airflow, particle characteristics, and pulse cleaning methods all affect filtration efficiency.
† Donaldson Torit equipment is designed to IBC guidelines for specific wind speed exposure and seismic spectral acceleration at grade level. Contact your Donaldson Torit representative for detailed information available on the equipment’s Spec Control drawings. Equipment may be customized to meet unique, customer-specified site requirements.

Packaged Downflo Evolution (DFEP) Dust Collector

The Packaged Downflo Evolution combines Donaldson Torit’s industry-leading cartridge technology with an integrated fan and electronic controls – all in a quiet, aesthetically-pleasing package.

Packaged Downflo Evolution Operation & Maintenance Guide

This video highlights operation, maintenance and troubleshooting for the Donaldson Torit Packaged Downflo Evolution.

Ultra-Web Technology Provides Filters that Deliver

Proven and proprietary Ultra-Web technology delivers longer filter life, cleaner air and greater cost savings.