Description
First stage HEPA 500 pre-filter. Synthetic fiber filter media rated at 10% efficiency. Captures the largest particles to help extend the life of the higher efficiency filters inside.
- Synthetic fiber filter media rated at 10% efficiency.
- Low pressure drop and superior efficiency
- High dust-holding capacity
- Extends life of HEPA filter element
- Sturdy cardboard frame
The Defendair HEPA 500 may be set up in a variety of filter configurations to suit your particular air scrubbing requirements. Use the chart below to find the best filtration setup for your project.
| Filtering Application | First filter position | Second filter position | Final filter position (HEPA) |
| Clean water loss air scrubbing. For a relatively clean environment. | n/a | 30% Prefilter (F271) | HEPA filter (F321) |
| Standard air scrubbing. For environments with higher particle loads, such as construction or remodeling sites. | 10% Prefilter (F270) | 30% Prefilter (F271) | HEPA filter (F321) |
| First pass efficiency air filtration. For use with a negative air setup during remediation of high risk contaminants and/or when DOP testing is required. | 30% Prefilter (F271) | DOP Prefilter (F415) | HEPA filter (F321) |
| Odor control and air filtration. For the removal volatile organic compounds (VOCs), food odors, fumes from paint and paint thinners, sewer odors, and many other noxious odors. | Activated Carbon Filter (F397) | 30% Prefilter (F271) | HEPA filter (F321) |
First Stage Pre-Filter for Dri-Eaz DefendAir HEPA 500 (F270)
PRE-FILTER - FIRST STAGE - HEPA 500 (F270)
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Second stage HEPA 500 pre-filter. Captures finer particles to help extend the life of the HEPA filter. Synthetic fiber filter media rated at 30% efficiency. Sturdy frame won't...