Bio Sponge Prefilter Media Pad Cut-to-fit Foam 20” x 20” x 2” Heating Bulb serving as a breeding area

serving as a breeding area

Designed with durable materials

providing easy access to your lower-level aquarium for feeding and maintenance

and silicates

Comes with (2) Biodegradable disposable sponges

Bio Sponge Prefilter Media Pad Cut-to-fit Foam 20” x 20” x 2” Heating Bulb serving as a breeding areaProduct Details: Size: 50 x 50 x 5cm; Dense shape makes it effective to avoid residue, the filter sponge is the first line of defense in removing dirt and floating debris from your terrarium or aquarium, and the filter can be cut any sizes as you needed. Excellent water permeability makes it avoid blockages and provide the largest adhesion area for bacteria, cultivate the nitrify bacteria for biological filtration. The filter can decompose the