Aquarium Filter Sponges made of biochemical sponge, which is single-sided connected onto the water inlet of your filter, provide efficient water flow with less clogging for long lasting filtration.
Size: Approx. 8.0cm*4.0cm/3.14 x 1.57inch cylinder, the inside hole diameter is 2.0cm/0.78 inch.
Please note these foam are pre-filter sponges, so only have single hole. Please measure the size before purchasing so that you can buy the right product.
Suitable for wall-mounted filter inlet and various aquarium product inlets tube size range is from 1cm and 1.3cm. Easily connects to filter intake stem, prevent fine debris or particular matter into filter. Also protect small fish and shrimp from getting sucked into the filter intake.
We focus on after-sale service, we will patiently answer you if you have any questions, if you are unsatisfied with our products, please contact us to solve the problem.
