Mr Aqua 3 in 1 chemical filteration wool

(Biological, Mechanical, Chemical sponge) - Suitable for Fresh and Marine aquarium tank 

Blue color sponge - Biological filter sponge which helps promote bacteria growth and break down of toxic ammonia/waste in the water 

Black color sponge - Contain carbon which Effectively removes harmful heavy metals and substances from the water, and helps make water clear. 

Grey color sponge - Remove P04 ( Phosphate ) from the water which helps prevents algae growth.

Dimension ; 27.5 cm x 16cm x 8cm ( Thickness)

** Made in Taiwan **