3X 50x50cm Aquarium Biochemical Fish Cotton Tank Filter Foam Filter Sponge Thick # Middle Hole Mesopore

Description Specifications:
Material: Polyurethane
: Black
Size: (L)X(W)X(H) 50X50X2cm/19.69''X19.69''X0.79''(appr.)

Features
and high quality.
Excellent water permeability.
Can be used again after cleaning.
Can be cut any sizes as your needed.
Suitable for using in freshwater and marine water.
Cultivate the nitrifying bacteria for filtration.
Offers good biochemical and physical filtration effects.

Middle Hole:
It can be used in dense, medium and big holes.
It is suitable for fish tank and fish pond filtration.
Mainly used for physical filtration and biochemical filtration.


Use collocation to achieve better effects: fish tank with cotton wool, fish pond with vine cotton.


Notice:
Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.
Please understand that colors may exist chromatic aberration as the different placement of pictures.
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