Item Type: Aquarium Filter Sponge Roll <br>Material: Sponge <br>Size: Approx. 5 x 8cm/2.0 x 3.1in <br>Use: Filter Accessories<br>1、Quality Sponge: Aquarium filter sponge is made of high grade sponge, good filtration effect, safe and non toxic, does not affect the quality of water PH, suitable for freshwater and saltwater. <br>2、Efficient Filtration: The filter sponge helps to catch particles and debris in the water, prolong the life of the filter media, provide efficient water flux, reduce clogging, and achieve long lasting filtration. <br>3、Safe and Reliable: Fish tank filter sponge roll is suitable for a variety of aquarium environments, and young fish and shrimp do not have to worry about being inhaled, providing a safe environment for them. <br>4、Keep Clean: Compact and easy to carry, this replacement filter sponge roll is an important part of keeping your aquarium water clean and creating a great environment for your fish. <br>5、Scope of Application: This filter foam sponge roll is suitable for all shrimp tank owners and anyone who has small fish in their tank, providing them with a clean environment.Please allow some errors due to manual measurement.3 x&nbsp;Aquarium&nbsp;Filter&nbsp;Sponge&nbsp;Rolls