Phat Pre-Filter 39 inch x 10 inch Reservoirs please refer to performance chart

please refer to performance chart found in the product instructions

One application every two weeks from clone to harvest

and expansion tank

3/4 in garden hose fit: Threads inline on a standard hose

that's where they exchange nutrients

Phat Pre-Filter 39 inch x 10 inch Reservoirs please refer to performance chartPhat 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 provided. If your pre filter is dirty