4-Piece CBF350 Pond Filter Sponges – Effective biological filtration foam, easy cleaning and replacement, fine, coarse, and yellow blue sponges for CBF-350 pond filter

💙[Double-Layer Filtration for Cleaner Water]–Our pond filter sponge set features a double-layer design with coarse blue sponges to trap large debris like leaves and silt, while fine yellow sponges remove smaller particles such as dirt and algae. This improves water clarity and quality, ensuring a healthier pond environment for fish and plants. Ideal for garden ponds and large water features. 💙 [Safe and Environmentally Friendly Material] – Made from non-toxic and fish-safe materials, these pond filter sponges are designed to support a balanced aquatic ecosystem. They do not release harmful substances into the water and provide an ideal surface area for beneficial bacteria to grow, which helps decompose organic waste naturally. Keep your pond clean without compromising the health of your aquatic life. Perfect fit for CBF series filters: These high-quality sponge filters are specially designed to fit CBF350 models, ensuring perfect compatibility with your existing filtration system. Simply replace your old sponges with these efficient and high-performance sponges to maintain optimal filtration and keep your pond water fresh, clear, and free of impurities. 💙Easy and durable maintenance: Designed for quick and easy replacement, these filter sponges help reduce maintenance time while improving filtration efficiency. Regular sponge replacement ensures consistent water quality by preventing clogging and maintaining optimal water flow. Ideal for pool owners looking for an efficient and low-maintenance filtration solution.

💡[Eco-friendly Packaging & Shape Restoration]–To reduce environmental impact, our filter sponges are compressed for compact and eco-friendly packaging. Upon arrival, they may appear slightly deformed, but this does not affect their filtration performance. Simply let them rest for a few hours or soak them in water to restore their original shape. Thank you for supporting sustainable packaging solutions.

Recommendation: For perfect water cleaning, replace the filter cotton every 10 months to 1 year.

Quantity: 2x coarse blue, 2x fine yellow. Blue: The large pores of the filter cotton filter and isolate large impurities and use nitrifying bacteria to break them down. Yellow: The small holes on the filter cotton filter and isolate the small particles of impurities.