ceramic rings 17#,aquarium filter
Detailed Product Description
ceramic ring/aquarium accessory/filter media
Filtering principle ofceramic rings:
The ceramic rings have a structure of dense holes where live a lot of good vital bacteria.These bacteria help improve biological filtration effect and stabilize water quality to maintain healthy living environment for aquatic livings.
different size: 5# 10# 17# ceramic rings
package:500g/box