E-ONSALE Herbal Ice Bubble Hash Bag Essense Extractor Kit, 1-Gallon, 4 Bag (1 Gallon 4 Bags with 1 free Pressing Screen) Compatible for use with 1-gallon buckets or tubs Bags are labeled and color coded to corresponding micron rating Larger bag assortment allows for more exact filtering into different grades Free 25 microns pressing screen included (a 15 dollar value)