RO6G BCP 8 Pieces Pre-Filter Foam Sponge Roll for Aquarium Fish Tank

Prevents small and baby inhabitants from being drawn into filter,Enhances biological filtration

Package included: 8 Pieces
Size (L x W): 8*4cm/ 3.15*1.57 inch
Inside Diameter: 2.0cm/ 0.79inch
Color: Black; Easily connects to filter intake stem ,Single Hole
Prevents small and baby inhabitants from being drawn into filter,Enhances biological filtration