This pottery jar is fired at a high temperature of 2192 degrees Fahrenheit. It is eco-friendly, pollution-free, and odorless
The high air permeability of the material makes it suitable for the colonization and proliferation of nitrifying bacteria, thus improving water quality
The opening size of this hiding cave is approximately 3.1 inches, with rounded edges, providing a safe place for fish to enter, exit, hide, and breed
With dimensions approximately measuring 3.75*3.9 inches, its simple jar design makes it suitable for decorating various types of home and office aquariums