Donaldson Blue Heavy Duty Air Filters
Donaldson Blue Heavy Duty Air Filters

Exclusive nanofiber technology offers longer engine life, longer filter life, initial efficiency up to 99.99 percent and five times more capacity. Guaranteed to deliver twice the miles between change intervals over cellulose air filters for on-highway applications.

Product Code: DBA • Brand: DONALDSON





Product Details Reviews & Rating

Product Applications
Donaldson Blue air filters deliver cost-saving benefits:

• Longer Engine Life
• Longer Filter Life
• Ideal for Extended Maintenance Intervals
• Double Mileage Guarantee

Product Description
Donaldson Blue Air Filters with exclusive nanofiber technology offer longer engine life, longer filter life, initial efficiency up to 99.99 percent and five times more capacity.

The nanofiber technology causes submicron contaminants to be held on the surface layer of smaller fibers. This filtration characteristic is only possible with this new type of air filtration technology. In on-highway applications, where the contaminant is primarily submicron in size, Donaldson Blue filters cause less restriction than conventional filters with cellulose media. The smaller interfiber spaces of nanofiber technology have a higher efficiency and capture more contaminant.

The following illustration may help visualize these phenomena: Imagine two filters, a chain link fence and a mosquito net, with a tennis ball being a dirt particle. As you may have observed, a tennis ball will fit quite nicely into an opening of a chain link fence, but will obstruct the hole almost 100%. Now imaging the same tennis ball covering a mosquito net. The tennis ball, at the point of contact with the netting, will obstruct much less filter area than the chain link fence example. In fact, air will flow around the tennis ball all the way to the point of contact. It will take many more particles to obstruct the netting surface area than the chain link fence.

Donaldson Blue air filters are guaranteed to deliver twice the miles between change intervals over cellulose air filters for on-highway applications or customers receive a new filter at no charge.

Capacity Graph

Efficiency Graph

Donaldson Blue Air Filters With Nanofiber Media
Donaldson Blue Air Filter's Nanofiber media have sub-micron diameters and small inter-fiber spaces, which result in more contaminant being captured on the surface of the media, thus reducing clogging of filtration media. This significantly lowers flow restriction while achieving the highest filtration efficiency.

* red circles represent a 2 micron and a 5 micron particle.

Conventional Air Filter's Cellulose Media
Conventional air filter's cellulose fibers are larger than nanofiber, and have larger spaces between the fibers, causing contaminant to be held in the depth of the media and plug the airflow path; resulting in higher restriction, lower filter capacity, which requires frequent replacements.

* red circles represent a 2 micron and a 5 micron particle.

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