Amsoil Authorized Dealers John & Zenaida Cardell

Donaldson Blue Heavy Duty Air Filters (DBHDAF)

Donaldson Blue Heavy Duty Air Filters (DBHDAF)

Donaldson Blue Heavy Duty Air Filters (DBHDAF)
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.

Donaldson Blue™ air filters deliver cost-saving benefits:

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

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™ Filter Air Filter Capacity Graph
Donaldson Blue™ Filter Air Filter Efficiency Graph
Donaldson® Blue™ Oil Filters
Nano-Fiber vs Conventional Cellulose
Donaldson® Blue™ Oil Filters with Nano-Fiber Technology
Conventional Cellulose Fibers
Small, consistent synthetic fibers trap smaller particles and hold more contaminants, resulting in lower restriction.
Cellulose fibers are inconsistent in size and shape, allowing more contaminants to pass through, resulting in higher restriction and lower capacity.
Red circle represents the diameter of a 20 micron particle.

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