Flip or change bonnets regularly to avoid soil re-deposition

It effectively removes the most difficult stains caused by mustard

Accelerate drying with air movers

For most applications

You will be amazed

Dri-Eaz HEPA 500 2nd Stage Pre-Filter Meters Moisture pH Distance Temperature Etc Flip or change bonnets regularlyThe Dri Eaz HEPA 500 2nd 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 at 30% efficiency captures the largest particles to help extend the life of the Primary HEPA filter inside. Use this 2nd Stage pre filter for standard air scrubbing on a clean water loss. Use for both the first stage and second stage pre filters for