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True HEPA after-filter

What type of HEPA filter is best for a grow room?
TRUE HEPA filters provide the highest standard of clean for indoor grow rooms.

Will HEPA filters remove mold spores?
No. If plants are infected before implementing a HEPA filter it will not remove mold. HEPA filters prevent mold and should be established before starting the growing process.

Will a HEPA filter remove smells?
In short, yes but not efficiently. If odors are your main concern you're going to want a carbon filter. HEPA filters focus on overall air quality vs. odor control.

Can HEPA filters be washed and reused?
There are HEPA models that claim to be washable and there is even a wikiHow on how to clean HEPA filters however, there are a few important things to note

• If you wash HEPA/ TRUE HEPA filters they will fall apart
• There is no confirmation that these washable filters work after being cleaned
• Removing AND cleaning a HEPA filter in or near a growing area is a serious risk of contamination

Which HEPA filter is best?
If you are looking for a true medical-grade clean room environment, TRUE HEPA filters are best.