Phat Pre-Filter 20x4 Harvest & Storage A deliberate blend of organic

A deliberate blend of organic and synthetic nitrogen and calcium sources intentionally designed for maximum effect and high solubility puts the controlled application of these essential nutrients in your hands

peppers and any tall plant

#741624 is 20 in x 2

basements etc

50 ppm (500 ppm) (@ 1385 ppm)

Phat Pre-Filter 20x4 Harvest & Storage A deliberate blend of organicPhat 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