Proprietary Technology That Performs

Proven and proprietary Ultra-Web® filter technology delivers long filter life, clean air and greater cost savings. Made with an electrospinning process that produces a very fine, continuous, resilient fiber of 0.2-0.3 micron in diameter, Ultra-Web forms a permanent fine fiber web with very fine interfiber spaces that trap dust on the surface of the media.

  • Media is more efficient in capturing submicron dust particles
  • Longer filter life and better pulse cleaning due to surface loading technology
  • Lower energy and less compressed air use with better pulse cleaning and lower operating pressure drop
  • MERV 15 and 14 filtration efficiencies to meet specific application needs

Three Decades of Longer Filter Life

For more than three decades, Donaldson Torit has advanced our Ultra-Web technology to provide a complete line of cartridge filters, PowerCore® filter elements, and pleated bags that last up to twice as long as commodity cellulose and cellulose/synthetic (80/20) blend medias.

Pressure drop starts high and rises quickly with depth-loading commodity filters, resulting in shorter filter life and greater energy use. Ultra-Web’s surface loading technology is scientifically proven to provide lower operating pressure drop over a longer period of time, which allows the filter to last longer while requiring less energy.

Clean Ultra-Web Filter Clean Ultra-Web Filter
Surface-Loaded Ultra-Web Filter Surface-Loaded Ultra-Web Filter

​Ultra-Web fine fiber media is loaded with ISO fine dust. Dust particles collect on the surface of the media and clean off easily while the substrate stays clean. A depth-loading filter would allow dust particles to penetrate deeply into the substrate where they build up and choke off the airflow. ​

A filter must be rated at least a MERV 13 on the ASHRAE 20-point scale to effectively filter submicron dust particles during ASHRAE 52.2 testing. Donaldson Torit® has perfected our standard MERV 15* rated Ultra-Web® filters to optimize filtration without sacrificing filter life or increasing pressure drop.

For applications that require even higher intial efficiency, there’s an Ultra-Web filter to meet your needs.

Ultra-Web efficiently captures submicron dust particulate. Cellulose and 80/20 blend media are not efficient enough to rate on submicron dust particulate. Typical cellulose and 80/20 blend media are rated to capture 1-3 micron dust particles and some competitive 80/20 blend media is only rated to capture larger 3-10 micron particulate.

*MERV 15 available in U.S. only.

Ultra-Web MERV 14 and 15 efficiency has been certified by independent lab tests and tested per the ASHRAE Standard 52.2-2007, the most current industry accepted test method used to evaluate filter performance. Ultra-Web MERV 14 and 15 efficiency has been certified by independent lab tests and tested per the ASHRAE Standard 52.2-2007, the most current industry accepted test method used to evaluate filter performance.

Experience the Ultra-Web Advantage

  • Increased surface loading
  • Enhanced dust cake release
  • Better cleaning efficiency
  • Lower cost per cfm
  • Available for most brands of dust collectors