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)