Resun Ceramic Rings Bio Filter Media for Sump Tank, Pond, Fish Tank, and Aquarium DIY Filter

Resun Ceramic Rings Bio Filter Media for Sump Tank, Pond, Fish Tank, and Aquarium DIY Filter

• Sold as 500grams and 250grams in mesh bags. estimated size of ceramic ring: 1/2" x 1/2".
• Good to use in both fresh and saltwater tank.
• Porous design ensures optimal contact time as water passes through.
• Will not affect water characteristics.
• Ready to use media bags, convenient use for all types of filters.