Absorption assembly comprising - a CO2 absorber, - a water trap, - a supply fluid guide unit (3, 3.1, 3.2), - a lower deflection fluid guide unit, - an upper deflection fluid guide unit (6, 6.2, 33.b), - a removal fluid guide unit (34, 34.1), and - a connecting fluid guide unit (33, 33.a) which connects the CO2 absorber to the water trap, wherein the supply fluid guide unit (3, 3.1, 3.2) is at least temporarily connected or connectable to a source of a gas mixture (3.2), wherein the removal fluid guide unit (34, 34.1) is at least temporarily connected or connectable to a sink for a gas mixture, wherein the CO2 absorber is designed to absorb carbon dioxide and thereby filter out carbon dioxide from a gas mixture flowing through the CO2 absorber, wherein the water trap is designed to absorb moisture, wherein the absorption assembly is designed such that a gas mixture flows from the source - first through the supply fluid guide unit (3, 3.1, 3.2), - then through the lower deflection fluid guide unit, - then through the CO2 absorber, - then through the upper deflection fluid guide unit (6, 6.2, 33.b), - then through the connecting fluid guide unit (33, 33.a), - then through the water trap, and - then through the removal fluid guide unit (34, 34.1) to the sink, wherein the absorption assembly is designed such that, when the absorption assembly is used, the gas mixture - is deflected vertically or diagonally upward by the lower deflection fluid guide unit, - flows vertically or diagonally upward through the CO2 absorber, - is deflected vertically or diagonally downward by the upper deflection fluid guide unit (6, 6.2, 33.b), and - flows vertically or diagonally downward through the connecting fluid guide unit (33, 33.a) to the water trap. - a CO2 absorber, - a water trap, - a supply fluid guide unit (3, 3.1, 3.2), - a lower deflection fluid guide unit, - an upper deflection fluid guide unit (6, 6.2, 33.b), - a removal fluid guide unit (34, 34.1), and - a connecting fluid guide unit (33, 33.a) which connects the CO2 absorber to the water trap, wherein the supply fluid guide unit (3, 3.1, 3.2) is at least temporarily connected or connectable to a source of a gas mixture (3.2), wherein the removal fluid guide unit (34, 34.1) is at least temporarily connected or connectable to a sink for a gas mixture, wherein the CO2 absorber is designed to absorb carbon dioxide and thereby filter out carbon dioxide from a gas mixture flowing through the CO2 absorber, wherein the water trap is designed to absorb moisture, wherein the absorption assembly is designed such that a gas mixture flows from the source wherein the supply fluid guide unit (3, 3.1, 3.2) is at least temporarily connected or connectable to a source of a gas mixture (3.2), wherein the removal fluid guide unit (34, 34.1) is at least temporarily connected or connectable to a sink for a gas mixture, wherein the CO2 absorber is designed to absorb carbon dioxide and thereby filter out carbon dioxide from a gas mixture flowing through the CO2 absorber, wherein the water trap is designed to absorb moisture, wherein the absorption assembly is designed such that a gas mixture flows from the source - first through the supply fluid guide unit (3, 3.1, 3.2), - then through the lower deflection fluid guide unit, - then through the CO2 absorber, - then through the upper deflection fluid guide unit (6, 6.2, 33.b), - then through the connecting fluid guide unit (33, 33.a), - then through the water trap, and - then through the removal fluid guide unit (34, 34.1) to the sink, wherein the absorption assembly is designed such that, when the absorption assembly is used, the gas mixture to the sink, wherein the absorption assembly is designed such that, when the absorption assembly is used, the gas mixture - is deflected vertically or diagonally upward by the lower deflection fluid guide unit, - flows vertically or diagonally upward through the CO2 absorber, - is deflected vertically or diagonally downward by the upper deflection fluid guide unit (6, 6.2, 33.b), and - flows vertically or diagonally downward through the connecting fluid guide unit (33, 33.a) to the water trap.