1835 Earth Worth 1 Gallon / 4 Bag Bubble Extract System For Essential Oils and Scents - Earth Worth Quality and Affordable! Compatible for Use with 1 Gallon Pails or Cans Nylon Material is Waterproof Coated Maximizing Durability. Bags are Labeled and Color Coded to Corresponding Micron Rating. Larger Bag Assortment Allows for More Exact Filtering into Different Grades. Drawstring Style Storage Bag Keeps all Components Together for Use.