Ailindany 4PCS Pre Filter Sponge Aquarium Filter Foam Sponge Rolls Compatible Filter Accessories for Fish Tank Large

Description

Name: Pre Filter Sponge Material: Biochemical Sponge Color: Black Hole diameter: As picture shown Dimension: Approx. 8*4cm/3.15 x 1.57inch cylinder, the inside hole diameter is 2cm/0.79 inch, please note these foam are pre-filter sponges, so only have single hole. These sponges are made from the top-quality filtration foam, safe to your fish, no harm to water PH quality, good for freshwater and saltwater environments. These pre-filter sponges could help to trap particles and debris, and prolong