For microscopic examination of water or dust. Can be hermetically sealed for study of micro-organism growth. 33x70mm glass slide with a 20x50mm chamber, 1mm deep. All glass construction. Cover glass (supplied) is optically plain on both sides and 0.5mm thick.
Brush removes static charges that result adhesion of particles to an object. Designed with softest hairs available to prevent scratching. Conductive composite handle allows access to difficult places. Brush size is 2 inch with a 5-inch handle.