Material: Sponge
Durable,Recyclable,good flexibility.
Easy to use directly into the inlet flower basket.
Prevent the debris into the filter barrel to extend the use of filter time.
Application:set filter,Built-in filter,external filter, the waterfall filter,ect
Cultivate nitrobacteria.
Color: Black
Prevent young fish and shrimp from being inhaled into the filter bucket.
Size:as the picture show
Conversions: 1 mm= 0.039inch, 1 inch=25.4 mm,1 inch=2.54cm
Package Included:
1/5/10Pcs x Aquarium Filter Sponge(With the words in picture as the standard)
Notice:
Please allow 1-3mm error due to manual measurement and make sure you do not mind before ordering.
Please understand that colors may exist chromatic aberration as the different placement of pictures. Thanks. 
