LW Scientific Dust Brush for Microscope Soft Bristle. This piece of Laboratory Equipment from the experts at LW Scientific is made using incredibly long lasting materials and will provide you with years of reliable service. For a great way to make sure you are working with some of the best tools the scientific community has to offer choose the LW Scientific Dust Brush for Microscope. Package Contents: LW Scientific Dust Brush for Microscope LW Scientific MSP-DST7-BRSH: Dust Brush for Microscope Soft Bristle