Description:
A set includes 1 blue fine, 1 blue coarse, 2 green nitrifying, 2 black in activated carbon and 5 white in polyethylene
Size:
- blue/green: 10x10x4.8cm
- black: 9.5x9.5x2.5cm
- white: 10x10x1.2cm
For better biological and mechanical filtration