Phat Pre-Filter 10" x 39" Climate Control spl_hf or 100 feet

or 100 feet

Duct Muffler Design: This muffler is primarily used with inline fans in grow tents

and flexible four-layer ducting

After years of research

Pressure Method: Nitrogen Assist

Phat Pre-Filter 10" x 39" Climate Control spl_hf or 100 feetDescription 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.