Phresh Filters Options:Phresh Filter 6 in x 16 in 400 CFM Selectable Celsius or Fahrenheit scale

Selectable Celsius or Fahrenheit scale

Air will oxidize and degrade your produce and food

Grow Natural will allow your plants to reach their full potential

Plug and play

the charcoal is carefully packed to ensure consistent and even air flow throughout the carbon bed for full use of the filter

Phresh Filters Options:Phresh Filter 6 in x 16 in 400 CFM Selectable Celsius or Fahrenheit scaleAluminum tops and bases for reduced weight. Half the weight of other filters. 46 mm (1. 8 in) RC 4 8 activated, certified virgin carbon bed. Machine packed carbon means more carbon and less movement. Cone shaped internal base for optimum air flow. Sealed, bagged, boxed and labeled directly after being manufactured for optimum life span, handling and presentation. 51% open air custom mesh. Unique anti air bypass system. Large selection of sizes