PRO GRADE GCTEK
Pro Grade filters are designed and engineered to give you the best of both worlds; aesthetics and oxygenation.
AlphaONE with its uniquely designed AlphaBioONE media traps debris uniformly and evenly throughout the pac. This results in greater flow, less head or back pressure and less maintenance.
The AquaBead filter is the standard for bead filters and preferred
by koi enthusiasts and water garden professionals.