2018-09-262018-09-262018http://hdl.handle.net/20.500.12091/346It is important for medical equipment to have clean filters because dirty filters can reduce air flow and reduce the performance of medical equipment. This unit demonstrates how to make a disc filter. This disc filter is made of gauze and cotton. The pore size is large. The filter is only suitable to trap dust from air. This filter is NOT suitable for liquids. This filter can prevent liquid from entering the machine. This replacement disc filter is NOT suitable as a bacterial filter.en-USPlumbingBTA SkillsArticle