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Coolant Filtration
Filter Media

Filter Media

Coolant filter medias are available to meet the most stringent of engine system design challenges. Donaldson COOLANT FILTRATION
engineers have a history of development and application of media technology that exceeds application
cleanliness and service life expectations. In fact Donaldson was the first company to introduce fully synthetic
media’s to the engine lube market in the early 1980’s. This media is now commonly adopted for extended life or
enhanced protection needs.

Cellulose Media
How it Works SEM 100xa
Engine coolant filter
media is most commonly
a pleated cellulose base
material. This media
effectively combines
an application’s
efficiency and capacity
requirements while
maintaining cost
effectiveness.
SEM 600x Media Image
Traditional based coolant
system often use this
media when service
intervals are maintained
with non-extended oil
drain intervals.

Synteq™ Media (full synthetic)

Extended life intervals How it Works SEM 100xa
require micro-fiberglass
synthetic media
trademarked Synteq™. This
media provides enhanced
durability for extended
drain intervals while
maintaining or improving
efficiency and capacity.
Donaldson Synteq™
coolant media also offers SEM 600x Media Image
lower restriction, ensuring
component protection over
a larger range of engine
conditions.

www.donaldson.com Engine Liquid Filtration • 95