Phat Pre-Filter 4" x 12" Climate Control meters-&-solutions The immense biological activity also

The immense biological activity also makes Ancient Forest the ideal inoculum for actively aerated compost teas

Easy to maintain yet v

The cube has 60% more water saving capability than peat

The top and side venting assure effective heat dissipation

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Phat Pre-Filter 4" x 12" Climate Control meters-&-solutions The immense biological activity alsoDescription Product Details: 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 provided.