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Donaldson applies extensive filtration technology and manufacturing expertise to deliver the optimal contamination control solution for your disk drive. A team of experienced engineers is standing by to custom design a particle and adsorbent filtration system for your application. Standard product lines are described below.


Adsorbent Breather Assembly (ABA)
The ABA is designed to provide protection from particles, hydrocarbons, acid gases and the effects of water vapor, such as condensation and corrosion. The filtration membrane removes particles from incoming air. The adsorbent element is specially formulated to control humidity, and to adsorb acid gases and hydrocarbons from internal and external sources. The integral diffusion channel reduces the amount of hydrocarbons, water vapor and acid gases entering the drive from the surrounding environment and extends the life of the adsorbent.
Select this link to go the ABA data sheet.
Adsorbent Breather Assembly


Adsorbent Breather Filter (ABF)
The ABF is designed to provide protection from particles, hydrocarbons and acid gases. The high efficiency filtration membrane removes particles from incoming air and encapsulates the adsorbent elements. The adsorbent is specially formulated to control humidity and to adsorb acid gases and hydrocarbons from internal and external sources.
Select this link to go the ABF data sheet.
Adsorbent Breather Filter


Adsorbent Label Filter (ALF)
The ALF is designed to provide protection from hydrocarbons and acid gases in a thin label format. The high efficiency filtration membrane encapsulates the adsorbent element while remaining permeable to gaseous contamination. The adsorbent element is specially formulated to control humidity and to adsorb acid gases and hydrocarbons from internal and external sources.
Select this link to go the ALF data sheet.
Adsorbent Label Filter


Adsorbent Pouch Filter (APF)
The APF is designed to provide protection from hydrocarbons, acid gases and the effects of water vapor such as condensation and corrosion. The high efficiency filtration membrane encapsulates the adsorbent element while remaining permeable to gaseous contamination and water vapor. The adsorbent element is specially formulated to control humidity and to adsorb acid gases and hydrocarbons from internal and external sources.
Select this link to go the APF data sheet.
Adsorbent Pouch Filter


Adsorbent Recirculation Filter (ARF)
The ARF is designed to provide protection from particles, hydrocarbons and acid gases. Its location directly in the airstream generated by the rotating disks allows superior chemical cleanup time. The electrostatic filtration media and protective scrim provide particle filtration and encapsulate the adsorbent element. The adsorbent element is specially formulated to adsorb acid gases and hydrocarbons.
Select this link to go the ARF data sheet.
Adsorbent Recirculation Filter


Standard Breather Filter (SBF)
The SBF is designed to provide maximum protection from external particle contamination while allowing rapid pressure equalization of the drive.
Select this link to go the SBF data sheet.
Standard Breather Filter


Standard Recirculation Filter (SRF)
The SRF is designed to provide protection from particles. The high efficiency, low-pressure drop construction provides optimized particle clean-up performance.
Select this link to go the SRF data sheet.
Standard Recirculation Filter






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