Factory direct hexagonal pond filter material glass ring ring neutral glass ceramic ring

Specifications: Diameter: 2CM Weight: 40 kg / bag Packing: woven effect: for the pond filtration, trickle filtration. Freshwater and seawater by biological purification best to get the best quality, is a purely biological properties of enhanced filtration material. It can be used in all biological filters, external filters, purification and filtration systems and fall garden pond filters. As durable and efficient filter material is also particularly suitable for small-scale biological filter, biological filter cotton filter material as before to avoid contamination caused by the floating debris. Since the ceramic ring covered with tiny holes for the pin of the bacteria, can play a role in purifying water quality. Features: You can play a high efficiency in a small filter. Fast-acting - whether freshwater or seawater fish pond, the best water quality. Let the fish and plants healthy. Reduce the frequency of water changes. Long service life. Itself does not decompose, resistant to salt water corrosion. It can be used for most of the filters. Unique pore structure makes the nitrification bacteria live and work