test filter

Match the exact unit model, reference code and filter dimensions shown on this page. If any detail is different, send us a photo of the unit label and old filter before ordering.

It is a compatible replacement unless this product page clearly says Original. It is made to the listed dimensions and filtration class for the compatible units shown above.

Not when the size, class and sealing are correct. A wrong class, poor fit or heavily clogged filter can reduce airflow and make the fans work harder.

The filtration class tells you which particle sizes the filter is designed to catch. Use the class shown here only where it is approved for your ventilation unit.

Yes, if it is a standard catalogue filter, unused and undamaged. Contact us within 30 days. Made-to-measure filters have different return conditions.