This work aimed at developing a FCG pack of filter, cotton and glassine to teplace syringe filters in renal filtration unit model for students in Matthayom 2 . The device effciency was evaluated by comparing achievement tests from students before and after using the proposed model with the statistical standard value of 80/80. The sample group was 24 students (in Matthayom 2 from Ban Klongprao School, Koh Chang distict, Trat), and was selected by purposive sampling. The learning tools consisted of the renal filration unit model and the achievement tests.