Aquarium Sponge Filter Cotton Biochemical Beehive honeycomb Sponge Filter Bag Koifish tank aquarium accessories filter cleaning Tool aquarium external filtration Filter box accessories Water cleaning Fliter Marine Fishtank & Aquatic

neverelse. Easy to settle and use to filter water in aquarium, build a healthy environment for your fish aquatic. Can be cut in different size as you need. Get the sponge into water before put it into the filter box, so that keep the water going smoothly. And please remember to clean or exchange the sponge once any dirty on it. If any extruding during delivery, please get the sponges under sunlight for several hours. It will be reverted. 1 Product Specifications: Item: Brand New Aquarium Tank Filter Sponges. Thickness: 2mm/3mm/15mm, 3 kinds for choice as you need. Sizes for 2mm thickness: 150x12cm/150x30cm/150x40cm/150x50cm. Sizes for 3mm thickness: 160x11cm/160x30cm/160x50cm. Sizes for 15mm thickness: 60x40cm/300x12cm/300x30cm. Sizes for Bag: 38x18cm/21x14cm. 2 Product Features: Very Easy to settle use to filter water in aquarium to build happy environment for your fishes aquatic. Can be cut in different size as you need. Get the sponge into water before put it into the filter box, so