Pre-Filter Sponges made of biochemical sponge,durable,harmless to the water and fish.
High density design,will not block the flow of water into the filter.Easy to connect to the filter and easy to take out to clean.
Size: Height 6cm,diameter 3cm, inner hole diameter 1cm. Sponge cover is single-sided connected onto the water inlet of your filter. Prevent fine debris or particular matter into filter,improved filtering water effect.
Aquarium intake sponges protect small fish and shrimp from getting sucked into the filter intake, it is good for their healthy growth.One end of the sponge is closed.
Note: Suitable for wall-mounted filter inlet and various aquarium product inlets tube size range is from 1.1cm and 1.3cm.
