Test tube stands are autoclavable, submersible racks with wire pattern which are stackable when empty. These are built with a special blend of Polypropylene which makes it sink in a water bath and its stability can be managed even in agitated water. These compact racks can be quickly and easily disassembled for cleaning. The base provided below is in the form of a grid that has square openings and folds upsides with the end bars that lock into rack tops.
