The device has a tank (2) receiving a removable assembled support (1). A container (31) is inserted into an opening (91) of the support. A lid (41) is associated with the container. The tank forms an enclosure (8) confined with the support. The enclosure remains confined when the lid covers another opening (92) in another container. The support comprises two gripping units (11, 12) that are arranged in an opposite manner. Another lid is associated the former container. The lid is made of flexible material i.e. silicone.