TriFoam triple-layer laminate with open-cell polyurethane foam exceptionally high level of filtration to protect the engine from contaminants in the air
Contructed of TriFoam triple-layer laminate with open-cell polyurethane foam. Giving an exceptionally high level of filtration to protect the engine from contaminants in the air down to well below 5 microns, whilst not greatly restricting airflow.