aquarium filter rings provide surface area for beneficial bacteria colonization and fresh water filtering

1.Filtering principle of ceramic rings:

The ceramic rings have a structure of dense holes where can live a lot of good vital bacteria,Such as nitro-bacteria.These bacteria can improve biological filtration effect and stabilize water quality to maintain healthy living environment for aquatic livings.

2.we have different size: 5#  (1.5*1.5cm),10# (2.2*2.5cm), 17# (1.0*1.0cm)  ceramic rings

quantity:300g/box

qty/ctn:54pcs

packaging size:41.5*33*37.5cm

gross weight:19.7kg

net weight:16.5kg

ceramic rings