ITEM NAME:100x 15*16mm Bio Balls Aquarium Pond Filter Biological Filtration Media OZ Features: New bio balls with larger bacterium cultivation area. 15 * 16mm size, 100pcs bio balls included. Increase dissolved oxygen levels and improve biological filtration. Great for aquarium, fish tanks, koi ponds, waste water systems, etc. Specifications: Color: Blue Material: PVC Quantity: 100pcs Size: 15 * 16mm / 0.59 * 0.63in Package Size: Approx. 17 * 12 * 3cm Package List: 100 * Bio Balls Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement..Increase dissolved oxygen levels and improve biological filtration. 15 16mm size, 100pcs bio balls included. Great for aquarium, fish tanks, koi ponds, waste water systems, etc. 100 Bio Balls. Size: 15 16mm / 0.59 0.63in.
