Putoline air filters based on leading-edge open-cell foam technology bring users major benefits including:

• Improved performance through increased airflow
• Improved protection through finer filtration levels
• Substantial cost savings through serviceability and re-use

Fully reticulated (open cell) foam as used in all Putoline filter products consists of a honeycomb of tiny interlocking cells of uniform size. When treated with specially formulated filter oil each passageway is like hundreds of very small centrifugal/oil bath filters connected one to another. Through this the foam traps and holds the particles throughout the entire volume of foam.

The development of this unique foam represents a major advancement in air filtration technology. As a result foam air filters when compared with paper or cotton gauze equivalents combine great airflow capability huge dust holding capacity and very high filtration efficiency for even extremely small particles.

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