Maintain efficient filtration in your aquarium with the Ocean Free Smart Filter Replacement Foam in the 600/800L/Hr size. Specifically designed for Ocean Free Smart Internal Filters, this replacement foam effectively traps debris and contaminants, ensuring clean and clear water. Its durable construction and easy installation make it a practical choice for routine filter maintenance. Say goodbye to clogged filters and hello to uninterrupted filtration with this replacement foam. Specifically designed for Ocean Free Smart Internal Filters with 600 or 800L/Hr capacity, ensuring optimal filtration performance. High-quality foam effectively traps debris and impurities, promoting healthy water conditions for aquatic life. Easy-to-install design makes filter maintenance quick and hassle-free for aquarium owners.