Upgrade for VTx5: Three Filter Bowls (200, 100, 75 Microns), Lid, Installation Kit This is an Upgrade Kit for the Pure Sift VTx5 that Adds VTx3 Capabilities. Food Grade VTx3 Filter Screens and Lid For the Pure Sift VTx5 Electric Shaker. Uses Any One, Two, or All Three Filter Screens (75, 100, 200 Microns) at Once. Capacity 6 oz (170g) Plant Material Plus Up to 16 oz Dry Ice. Uses No Chemicals, No Hazardous Solvents and No Messy Ice Water.