Powermaxx GLXBB5X3 5-Gallon 3-Bag Herbal Ice Bubble Bag Essense Extractor Kit 5 Gallon, 3 Bubble Bag Extractor Kit Purple (1)Purple - 25 Micron/(2)Yellow - 73 Micron(3)Blue - 220 Micron Compatible for use with 5-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 Includes free pressing screen and black carrying bag for easy storage