Check the listing for details. Gutenberg's Dank Pressing Co. All Mesh 20 Gallon Bubble Bags. Condition: New. Listed at 39.99 USD. PHILADELPHIA, PA USA BASED COMPANYGutenberg’s Dank Pressing Co. 20 Gallon All Mesh Bubble Bags are made with ultra-durable nylon mesh so you can get the most out of your wash.. Easily extract herbs, oils, coffee, and more using our premium Bubble Bags. Can hold up to 2 pound of flower material!We offer our 20 Gallon All Mesh Bubble Bags in single options, 4 sets, 5 sets, or 8 sets. The micron sizes can include: 220µ, 190µ, 160µ, 120µ, 90µ, 73µ, 45µ, and 25µ. Each micron bag will “catch” different material during an extraction. Here is a quick guide to which microns will catch what quality material.Single Micron Bubble Bag - Choose any micron size you would like4-Set - 25u, 73u, 120u, 220u5-Set - 25u, 73u, 120u, 160u, 220u8-Set - 25u, 45u, 73u, 90u, 120u, 160u, 190u, 220uMore Info on All Mesh 20 Gallon Bubble Bags Micron (with corresponding bag color)Quality of Material220µWork bag used to catch unwanted plant material. Usually trash.190µUsually more plant material is caught here and can be trashed.160µCan be quality material. May be lower quality that has other uses such as edibles or pre rolls.120µTop Quality90µTop Quality73µGreat Quality45µMay be decent quality, but could be lower quality and used for edibles or pre rolls25µFood grade.