There are 4 bags in this set, each bag is color-coded and equipped with a corresponding label for easy identification. Micron size: Purple = 25 Micron, Yellow = 73 Micron, Orange = 120 Micron, Blue = 220 Micron. You can use it widely for extracting essential oils, herbs, coffee, etc.

HIGHLIGHTS
 
For extra drying, the set comes with a black carry bag for easy storage and a 25-micron pressure mesh
Micron size: purple = 25 micron, yellow = 73 micron, orange = 120 micron, blue = 220 micron
Fits easily on a 5 gal. bucket, stack the bags in the exact order in the image then pour the mixture into the bags for filtration (small to large - 25 microns to 220 microns)
Double seam stitching on the bottom of the product, which is durable that can be used for many years
Each kit is equipped with a breathable mesh bag, which is easy to ventilate and dry, and prevents odor
Bottom is made of nylon material for easy filtering