Our Extractor Bag Kit utilizes a series of micron screens to allow you to efficiently create a perfect finished product. The most advanced kit on the market, the Gro1 Extractor Bag Kit was developed over countless hours. Our Extractor Bag Kit utilizes a series of micron screens to allow you to efficiently create a perfect finished product. The most advanced kit on the market, the Gro1 Extractor Bag Kit was developed over countless hours of professional testing and comes with a 1 YEAR WARRANTY against any manufacturer defects!