how!

How Unifilter's Work!

To duplicate the world’s best air filter - the human nose - Unifilter uses open cell, polyurethane foam to achieve the high level of efficiency required by today’s high quality engineered engines.

          The open cell polyurethane foam provides excellent air flow and - combined with foam filter treatment - the best filtration obtainable in any automotive air filter.  Add to this the fully-reusable factor of polyurethane foam and you have the best air filter money can buy

FILTER TYPE

AIR FLOW

DUST RETENTION

REUSABLE

AUST MADE

Paper

As a base rating

30 µm

No

Some

Oiled Paper

2% more restrictive

18 µm

No

Some

Cotton Gauze*

25% less restrictive

45 µm

Yes

No

Unifilter Foam

24% less restrictive

4 µm

Yes

Yes