Kockney Koi Foam Blocks

Kockney Koi Foam Blocks

Kockney Koi Foam Blocks can be used on intake manifolds in filter units or for the home enthusiast who wants to build their own filters. The larger three sizes fit onto our perforated insert.

Foam Blocks available in the following sizes;
4″ x 4″ x 6″ (drilled 5″)
4″ x 4″ x 8″ (drilled 7″)
4″ x 4″ x 10″ (drilled 9″)
4″ x 4″ x 12″ (drilled 10″)