This replacement Filling Chamber comes equipped with a Reducer for decreased consumption. The reduced chamber size decreases the capacity of your herb chamber, making your Volcano Hybrid more efficient with small amounts of material. Can also be used with Storz and Bickel's Dosing Capsules. This is a genuine Storz and Bickel accessory and is only compatible with the Volcano Hybrid Vaporizer. Kit Includes: 1 x Filling Chamber with Reducer 1 x Cap Ring 3 x Normal Screen 3 x Normal Screen (small) 1 x Liquid Pad (small) 1 x Dosing Capsule 1 x Cleaning Brush