About This

• 1 Pound of Biohome Mini Ultra (Recommended 2-4 lbs for 30 gallon or larger)
• Media size: 1.5" x 0.5" in diameter
• Made from Premium quality sintered glass
• Porous media with unique structure
• Suitable for external canister filters, overhead filters, aquarium sumps, and aquarium shower / trickle filters.