The ceramic glazed cylinder with inner glazed smooth surface is used. Because the bottom of the cylinder is smooth, it will affect the rest of the crickets. The gravel or centimeter river sand can be laid on the bottom of the cylinder. The organic matter is covered with centimeters thick. The bricks and tiles are placed in the middle of the cylinder. Up, the four corners between the tablets and the tablets were glued together with yellow mud to increase the gap and allow them to inhabit. In a shallow cylinder with a general diameter of 5 cm, more than 7 can be stocked, and if you use a washbasin, 2 can be raised. There are gaps around the cylinder wall to facilitate feeding, feeding water, and feeding rafts. China Agricultural Network Editor
Negative pressure liquid drainage device
Drainage Device,Medical Suction Device,Suction Liner Device,Medical Liquid Drainage
Foyomed Medical Instruments Co., Ltd. , http://www.nbmedicalinstruments.com