sponge air filter ,Aquarium filter
Detailed Product Description
sponge air filter/Aquarium filter /bio-filter
1.polyurethane foam material
2.no harmless,no toxic,environment protection
3.good resilient,good air premeability
4.could keep the colour for long term
The polyurethane foam filter has different mesh(15PPI,30PPI,35PPI,40PPI,60PPI),
with high resilient ,many colors and good air pemeability. It is durable in water and low cost.