Phat Filters Pre-Filter, 24" x 8" Pre-Filter:Phat Filters Pre-Filter, 39" x 8" Formula 707 has less perlite

Formula 707 has less perlite and more peat than the Original Potting Soil

and not toxic to animals

Extracts up to 84 grams of flower each smash

​ Week 7 Week 8 Week 9 Week 10 Week 11 Week 12 0 mL/L 1 mL/L 1 mL/L 1 mL/L 1 mL/L 1 mL/L ​

Phat Filters Pre-Filter, 24" x 8" Pre-Filter:Phat Filters Pre-Filter, 39" x 8" Formula 707 has less perliteGet The Most Out Of Your Phat Filter! Phat Filter replacement pre filter replaces your used pre filter to give your Phat filter longer life by filtering out larger impurities before they have a chance to enter into the actual filter. Each pre filter is stamped with the Phat Filter logo and fits snugly over your Phat filter. The pre filter is available in all Phat Filter sizes and can be easily slid over the filter and secured with the plastic straps