• Specifically designed for Fluval 106/107 and 206/207 filters. • Effective in reducing and controlling harmful ammonia spikes. • Efficiently traps floating particles such as debris and excess food, keeping the water clear. • Ideal for new or densely populated aquariums. • Perfect for use after administering medications. • Custom-fitted for the 07 and 06 series filters, enhancing filtration performance. • Suitable for freshwater and saltwater aquariums. • Product dimensions: 8.5 cm wide, 19.5 cm high, 5.5 cm long. • Product weight: 0.04 kg.