Aqua-Tech EZ-Change #1 Filter Cartridge for 5-15 Filters, 6 pack

Aqua-Tech makes aquarium maintenance simple and easy. Aqua-Tech EZ-Change Filter Cartridges are color coded for fast and easy selection. These cartridges contain Aqua-Tech premium Activated Carbon for maximum filtration and require no messy assembly – simply change in seconds by shaking and rinsing. Use of Aqua-Tech Replacement Filter Cartridges in your Aqua-Tech Power Filtration provides Complete 3-Stage Filtration for overall, cleaner, healthier fish Complete 3 Stage Filtration System: In Stage 1: • The filter cartridge floss screens out dirt and debris. • Molded and ribbed back for maximum water-to-carbon contact. In Stage 2: • Activated carbon inside filter cartridge removes odors, discolorations and impurities. • Change the used Aqua-Tech replacement cartridge monthly as carbon deactivates with use. In Stage 3: • The Bio-Tech Biological Grid*, which comes with your power filter, never needs replacing; ensures elimination of toxic ammonia and nitrite; and has a unique design that will not clog! *Aqua-Tech Bio-Tech Biological Grid sold separately