功能

• It is ful for clearing filters as a pretreatment for counting asbestos under a microscope.
• After preheating the device, place the filter on a slide glass directly under the nozzle and inject approximately 0.3 mL of acetone with a handy petter to clear the filter in a few seconds.
• Add 2~3 drops of triacetin and cover with a cover glass. A completely transparent specimen is produced.