BVV Dry Ice Mini Shaker Miniature Dry Ice Shaker for creating a faster and cleaner extract. This is a fully sealed extraction system that only requires Dry Ice to Operate. It features removable collection cap and interchangeable filter screens. This kit includes the following filter screens:2x — 100 Micron Screens2x — 120 Micron Screens2x — 160 Micron Screens2x — 190 Micron Screens