Under Gravel Filters & Media

Cascade™ Undergravel Aquarium Filter - 10 Gallon - Two 9.5" x 9.5" Plates - Undergravel System for Clear, Clean Water

Cascade™ Undergravel Aquarium Filter - Up to 29 Gallons - Two 14" x 11.1" Plates - Undergravel System for Clear, Clean Water

Cascade™ Carbon Undergravel Filter Cartridges help keep aquarium water cleaner and clearer through effective chemical filtration. Designed for undergravel filtration systems, these activated carbon cartridges help remove impurities, odors, and discoloration from freshwater and saltwater aquariums.

Cascade™ Carbon Undergravel Filter Cartridges help maintain cleaner, clearer aquarium water through effective chemical filtration. Designed to fit most undergravel aquarium filters, these activated carbon cartridges provide a convenient replacement solution for freshwater and saltwater aquariums.