Biological Ball Filter Media Plastic for Aquarium Water Garden Pond 50/100PCS
Features: Perfect Filtration: Aquarium filter bio that helps clean your water naturally, beneficial to oxidation of oxygen convection exchange, and for reproductive growth with a huge area.
Max Area: Bio-sponge inside provides more area for growth. Many structure, internal porous, great for any freshwater or saltwater.
Better Effect: The bio is for external and pressurized filters in aquarium for pond filter and fish farm. Bio balls can be used loose or in the mesh bag with plastic zipper.
Well Packed: 50/100pcs bio balls are packed in filter media bag, which bag is zipper closure design, reusable, easy to clean old media out and refill.
Occasions: Suitable for water garden for freshwater fish tanks, saltwater aquariums, aquaponics, fish hatcheries and much more.

Specifications: Material: Plastic
Each Square Size: Approx. 36x36x34mm/1.42x1.42x1.34 inches
Each Round Diameter: Approx. 33mm/1.3 inches
Type: Square with sponge core, Round without sponge core

Package Includes: 2 Package Optional:
Package A: Includes 50 Pieces Square Bio Balls Filter Media
Package B: Includes 100 Pieces Round Bio Balls Filter Media

note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.