The polyurethane foam filter has different mesh,with high resilient ,many colors and good air pemeability. It is durable in water and low cost. The application and action of the filter sponge 1. This product can be used for sea water tank,fresh water tank and waterweeds tank with the sizes being cut as your wish. 2. According to the analysis of the experts,this product is very suitable for the breeding of nitrobacteria 3. The biochemical sponge has the best effect on decomposing the excrement and the forage leftovers,and improving the filtering effect,It can reduce the death rate of fish.. 4. Being cleaned with water once per month,, it can be reused after cleaning,not lose shape and not blocking.
we have three color you can choose 1.XY-1818 material:white filter sponge item size:90*30*2cm pcs/carton :40 carton size:63*93*47cm Gross weight:6.5kg Net weight:6kg