Advanced Mantis Bio-Filter Ceramic Blocks len-2ft Mounts securely to the outside

Mounts securely to the outside of aquarium glass using adhesive backing

and 10mm glass thicknesses

ensuring efficient filtration at every stage

Facilitates accurate water flow control to maintain optimal aquarium conditions

and a glass cover lid

Advanced Mantis Bio-Filter Ceramic Blocks len-2ft Mounts securely to the outsideMantis Bio Filter Blocks offer a highly efficient solution for aquatic bio filtration. Constructed from inert ceramic material, these blocks boast an open flow architecture and provide the largest usable surface area for optimal biological filtration. Their microporous surface supports the growth of diverse microorganisms, forming a stable and active biofilm to treat NH4 N and NO3 N effectively. These blocks are suitable for a wide range of filtration