Biochemical Filter Mini Fish Tank Practical Ceramics Efficient Circular Shape Gas Stone Pneumatic Aquarium Durable Water Purify

Features:
Small Gas Stone refinement bubbles, increasing oxygen solubility in water.
Filter stone block a large number of particles in the water.
Filter sponge cotton core with double replacement design, adsorption of residual impurities.
Activated carbon remove odor, purify water, make water more clear.
Nitrite bacteria in the filter box can be broken down lure and fish manure in the aquarium.
Biochemical cotton filter box to prevent water yellow and smelly.
Specifications:
Item Type: Aquarium biochemical filter
Material: Plastic
Weight: About 190g
Size: About 8*9cm
Shape: Circle
Package Included:
1* Aquarium biochemical filter
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-3cm differences due to manual measurement.