2PCS Aquarium Filter Cottons Black Biochemical Foam Sponge
1. 3D structure, thicken fiber and density, achieve multiple filtering effect and increases the bacterium cultivation area.
2. Particle design, has excellent adsorption capacity, can purify water quality and remove odor.
3. Remove chlorine from water, reduce ammonia nitrogen and nitrite content, balance PH.
4. It keeps germs and bacteria out of the water. Suitable for aquarium fish tank filtration. Fits for freshwater and marine water.
5. Applicable for upper filter, built-in filter, waterfall filter etc.
Condition:100% Brand New
Color: As Pictures Shown
Type: 30*25*2cm, 50*11*2cm, 40*30*2cm(optional)
Size: approx.30*25*2cm / 11.8*9.8*0.8in
50*11*2cm / 19.7*4.3*0.8in
40*30*2cm / 15.7*11.8*0.8in
2 * Aquarium Filter Cottons