Abstract: A device is provided that includes a fluid inlet and a fluid outlet, wherein the device is in fluid communication with the refrigerant circuit via the fluid inlet and the fluid outlet, wherein the device contains a granular material which can absorb an amount of fluid from the refrigerant, wherein the amount of granular material contained in the device is calculated according to the formula MG=W/WA, where MG is the mass in [g] of the granular material contained in the device, W is the total amount of fluid in [g] that can be absorbed by the granular material, and WA is the amount of fluid that can be absorbed per gram of granular material.