Weaverbird 4Pcs Pre-Filter Foam Sponge Roll Aquarium Filter Intake Cover For Aquarium Fish Tank (Large)

Weaverbird 4Pcs Pre-Filter Foam Sponge Roll Aquarium Filter Intake Cover For Aquarium Fish Tank (Large) Dimension: Approx. 8.0Cm*4.0Cm/3.15 (L) X 1.57 (D) Inch Cylinder, The Inside Hole Diameter Is 2.0Cm/0.79 Inch,Please Note These Foam Are Pre-Filter Sponges,So Only Have Single Hole. | Enhance Biological Filtration: These Pre-Filter Sponges Could Help To Trap Particles And Debris,And Prolong The Life Of Your Filter Media,Provide Efficient Water Flow With Less Clogging For Long Lasting Filtration. | A Must Have Accessories For Fish Tank Filter: Premium Pre-Filter Foam Sponges Can Be Quickly And Easily Attached To The Fish Tank Intake Tube Stem, Preventing Small Inhabitants From Being Drawn Into The Filter. | Good For Your Fish Habitat: Give Your Fish Pet A Security Habitat! These Cylinder Pre-Filter Sponge Suit For All Shrimp Tank Owners And Anyone Else Who Has Baby Or Small Fish In Their Tank,Provide Them A Good Environment. | High Quality Material: These Sponges Are Made From The Top-Quality Filtration Foam, Bpa Free,Good For Freshwater And Saltwater Environments.