Sera Siporax Professional 15mm - 290g (08472) Maximum optimization of biological filtration The original sera siporax Professional is suitable for use in both freshwater and marine aquariums as well as in ponds. Not depending on the kind of filter...

Sera Siporax Professional 15mm - 145g (08471) Maximum optimization of biological filtration The original sera siporax Professional is suitable for use in both freshwater and marine aquariums as well as in ponds. Not depending on the kind of filter...

Sera Filter Wool - 500g (08466) For mechanical prefiltration of fine dirt particles sera filter wool for the mechanical prefiltration consists of stable fibers that retain finer dirt particles for a longer time without sticking or collapsing. sera filter...

Sera Filter Wool - 250g (08463) For mechanical prefiltration of fine dirt particles sera filter wool for the mechanical prefiltration consists of stable fibers that retain finer dirt particles for a longer time without sticking or collapsing. sera filter...

Sera Filter Wool - 100g (08460) For mechanical prefiltration of fine dirt particles sera filter wool for the mechanical prefiltration consists of stable fibers that retain finer dirt particles for a longer time without sticking or collapsing. sera filter...