Lower Intake Filter Riser Fits on Fluval Flex 57L 15G 34L 9G Aquarium fish tank.   This item is 3D printed in Black color. Allow rising substare on your tank, included coarse sponge prevent shrimps or babies fry to escape in filter chamber.   This design allows you to clean the sponge very easy on your regular maintenance   If you like this Lower Intake Filter Riser in WHITE color, please let me know in note for seller or contact me.   Including coarse sponge   This listing is only for Lower Intake Riser, if you like to have one Upper Intake Screen and one   Lower Intake Riser, please find my other items for sale.   I have couple more improvements/upgrades listed, please check out.   Free UK delivery   International delivery available