50x50x2cm Black Biological Cotton Filter Foam Pond Aquarium Fish Tank Sponge Pad # Extra Big Hole-Extra Thick

Name: Black Aquarium Biochemical Filter Foam Cotton Sponge For Aquarium Fish Tank Pond
Model: 680036
Material: Polyurethane
Color: 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 biological filtration.
Offers good biochemical and physical filtration effects.



Extra Big Hole:
It is suitable for fish tank and fish pond filtration.
Mainly used for physical filtration and biochemical filtration.
Especially suitable for the primary filtration environment with dirty water quality.
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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