Hexagonal ceramic ring

Dimension	D2*H1.9cm
Product color	White
Main Materials	Ceramic ring
Application of places	Aquarium
Unit package qty	1 pc/bag with card
Middle package qty	12 pcs/PE bag
Outer package qty	216 pcs/ctn

Placed in the aquarium filtration system, with a microporous structure to cultivate nitrifying bacteria, making the water clearer, eliminating the need for frequent water changes, and reusable