Dri-Eaz HEPA 500 1st Stage Pre-Filter Base UOM:EACH The result: dramatically faster drying

The result: dramatically faster drying times

Doing an exhaust job

remove and store until next time

When vacuum fades gradually

Dri-Eaz HEPA 500 1st Stage Pre-Filter Base UOM:EACH The result: dramatically faster dryingThe Dri Eaz HEPA 500 1st Stage Pre Filter restores your Dri Eaz HEPA 500 to full efficiency. It should be replaced regularly to ensure maximum performance. The synthetic fibre pre filter media, rated by Dri Eaz at 10% efficiency (MERV 4), captures the largest particles to help extend the life of the Primary HEPA filter inside. This is the first stage filter, and Dri Eaz treat it as optional. Their own configuration chart leaves the first position