Compatible with ALL BiOrb Classic, Tube, Flow, Halo & Life Aquariums. The three Seahorse are 4.5", 4" & 3.75". Ceramic. Also a great addition to non-BiOrb Aquariums.
Compatible with ALL BiOrb Classic, Tube, Flow, Halo & Life Aquariums. The three Seahorse are 4.5", 4" & 3.75". Ceramic. Also a great addition to non-BiOrb Aquariums.