Filter media mesh bags for Bio Balls, carbon, or other large filter media.

• Reusable Mesh Bags make it easy to install, clean, & change media
• Dimensions: 7 x 11 inch with a Zipper at the Top of the bag
• Material: Polyester bag, Plastic corrosion resistant zipper
• Hole size: 4 mm holes
• Suitable for larger Filter Media including Bio Balls, ceramic rings, activated carbon, etc.  Not suitable for fine particles.
• Free shipping in the USA!
  
• Packaged Quantity: 5 or 10 Bags
• Used in for freshwater or saltwater Filter applications