Feature(may vary by option.)

●Features: Color: Black; Material: Cotton; Size: 0.9 x 0.9 x 0.9 inches (22 x 8 x 4 x 2.2 cm); 0.6 inches (15 mm); 0.2 x 1.6 x 1
●Prevent young fish and shrimp from sucking into the filter tank
●Easy to use directly in the inlet basket
●Small Sponge Filter for Aquarium
●Package: 2 x pre-filter foam sponges

[22mm]