Phat Filters Pre-Filter, 39" x 12" Pre-Filter:Phat Filters Pre-Filter, 39" x 6" For use with magnetic ballasts

For use with magnetic ballasts only

Great for plants in the blooming stage

Notice: Aloe Vera Powder may need to sit in water for 10 Minutes to properly dissolve and activate the properties to maximum benefit

Active Ingredients/Guaranteed Analysis: Citric Acid

it comes with a 5-year warranty for peace of mind

Phat Filters Pre-Filter, 39" x 12" Pre-Filter:Phat Filters Pre-Filter, 39" x 6" For use with magnetic ballastsGet 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