Phat Filter, 8" x 39", 950 CFM

Carbon Filter Built With Full-Thickness Carbon Beds

This Phat Filter is built with full-thickness carbon beds, sized at 8" x 39", for consistent odor control performance.

Carbon quantity and carbon quality both factor into total filter capacity; this filter is built with the actual stated bed thickness and length, not a rounded-up figure.

It's rated for 950 CFM of airflow, matching the filter to fans operating in that range.

Key Features & Benefits

• Full-thickness carbon beds — actual stated dimensions, not rounded up
• Rated for 950 CFM — matched to fans operating in that airflow range
• 8" x 39" filter size — fits ducting sized to match
• Dense carbon packing — supports odor control over the filter's service life

Who Should Use This Carbon Filter

Growers running ventilation systems who need a carbon filter sized and rated to match their fan's airflow.

Carbon Capacity and Filter Life

Filter capacity depends on both carbon quantity and carbon quality; a denser, full-thickness carbon bed supports a longer service life before replacement.

Frequently Asked Questions

What size is this filter?

This filter is 8" x 39".

What CFM is it rated for?

It's rated for 950 CFM of airflow.

Does this filter use a pre-filter?

Yes, a matching Phat Pre-Filter is available to extend the carbon filter's service life.

How is filter capacity determined?

By carbon quantity and carbon quality together; both affect total filter capacity.