South Ocean Five Round Pre-filter Sponge is 6 x 2-3/4 inches with a 1 inch center hole
South Ocean Five
South Ocean Five Round Pre-filter Sponge.
Our round pre-filter sponge (which is used in overflow boxes) is 6 x 2-3/4 inches with a 1 inch center hole. This open cell sponge will give you a better water flow, while consistently collecting the sludge from the aquarium. BLACK COLOR or BLUE COLOR - varies per manufacturer production run.
About South Ocean Five We have been producing high quality filter bags, for aquariums, since 1991. Our products are supplied to wholesalers, maintenance specialists, and retail stores. We presently manufacture the products, for marine and tropical fish tanks.