Phat Filter, 4" x 8", 150 CFM


Sale price$58.32


The 4” x 8” inch carbon filter by Phat is packed with high-quality carbon making it one of the best filters available. With a CFM rating of 150, the filter has 2” thick beds and is long enough to hold increased amounts of carbon inside. In addition, the quality of the filter is guaranteed by its high adsorption number. 

Phat filters use special charcoal carbon, shipped to them after activation with steam at high temperatures. Extra care is taken so that no harmful chemicals enter the filter during activation.  

The 412 charcoal used inside is low density, and tightly-packed carbon increases the porosity of the filter. The conical base on the inside provides even movement of air and ensures it does not escape outside without filtering.

The aluminum mesh also increases airflow on the outside that offers almost 53% free area. No binders or glue is used, and non-pelletized carbon increases the filtering capability of Phat filters. With this high-quality greenhouse carbon filter, your growing area will be free from nasty odors and help you work in peace.  


  • 2” thick carbon beds

  • High adsorption yield number

  • Tightly-packed carbon for increasing porosity

  • Great capacity to absorb odors 

  • High-quality filter with a long life


  • SKU/Model No: HF-IGSPF84

  • Brand: Phat

  • Weight: 8.2 lbs

  • CFM Rating: 150

  • Warranty: 1 Year

Customer Reviews

Based on 1 review
Ian Hutchinson
Best price for a phat filter

Solid product as described, fast shipping, all around good experience.

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