Phat Filter 39 in x 12 in | 1700 CFM Scrubbing, 12 in Flange pH Testers Upgraded KDF85 Carbon Filter

Upgraded KDF85 Carbon Filter

Provides perfect base nutrition for ebb and flow

lumen output

or smaller grow spaces where higher-wattage fixtures generate too much heat

Active Ingredient:

Phat Filter 39 in x 12 in | 1700 CFM Scrubbing, 12 in Flange pH Testers Upgraded KDF85 Carbon FilterSizing the Biggest 1700 CFM Carbon Filter in the 39 in Range Same body length as its 8 in and 10 in siblings, wider bore, more carbon. The printed 1700 CFM is the scrubbing figure, for air recirculated inside a room. Run it inline on an exhaust fan and you halve it to roughly 850 CFM. That lower number is the one your fan has to match. Getting this backwards is how a room ends up under ventilated with the right filter in it. What a 12 inch Carbon