Medium-sized multi-colored bacteria house

Medium-sized multi-color bacterial house. This product has an appropriate size. 155*35 mm. It is very suitable for use in fish tanks or aquariums, and is very beneficial for the growth and reproduction of fish. Moreover, the effective pore size of the bacterial house is numerous and of excellent quality. We use high-quality ceramic raw materials and are committed to providing everyone with a very good water filtration and bacterial cultivation experience.