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TRAP Breathers

Keep moisture and dirt OUT of your hydraulic reservoir with Donaldson’s innovative new technology, the Thermally Reactive Advanced Protection (T.R.A.P.™) breather! It senses moisture and begins working faster and lasts longer than desiccant breathers. This is an entirely new technology that provides better protection for your oil or hydraulic fluid.

T.R.A.P.™ Brochure
Photos and functional details

T.R.A.P.™ Application Success Story – Hydraulics & Pneumatics magazine, July 2007
A reader favorite, "Fluid Power on Vacation" feature reviews a successful T.R.A.P. breather application on one of the floats at an annual Tournament of Roses Parade.

Deliquescent Breathers: A New Method of Controlling Water Ingression
Article published in Machinery Lubrication magazine, Nov/Dec 2006

White Paper
“How to Prevent Water Contamination Problems” -- Technical discussion of the technology behind the T.R.A.P.™ breather, researched and co-authored by two of the industry’s most noted engineers, Bill Needelman and Dave Webb.

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