4PCS Pre-Filter Foam Sponge Roll Aquarium Filter Intake Cover for Aquarium Fish Tank(Small)

About this item

• 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.