0.63'/16mm Ball in diameter
BIO-Balls do not require replacement unless damaged or destroyed.
Bio-sponge inside provide more surface area for growth of beneficial Bio-Spira bacteria.
Good to use in both fresh & saltwater tank; offers mechanical and biological filtration with inside sponge.
200Pcs bio balls

Technical Details

Product Details

Package Dimensions
Width : 5 inch
Height : 2.52 inch
Length : 7.99 inch

Shipping Weight: 4.95 pounds (View shipping rates and policies)

ASIN : B06Y6G27PJ