Specification Brand : Evolution Aqua BulletPoint1 : Suitable for: Compatible with VIVOHOME 1580/1840GPH Pressurized Biological Pond Filter and VIVOGROW 1580/1840GPH Bio Pressure Pond Filter. BulletPoint2 : Upgraded formula: We use dual density combination, yellow sponge with high density, blue sponge with normal density, different density combination,, which better filters fine particles and adsorbs odors without restricting the flow of water, providing a healthier environment for your fish. BulletPoint3 : Efficient: Provides both mechanical and biological filtration, effectively trapping debris, food scraps, waste or other impurities in the water, preventing them from entering the aquarium and keeping the water clean. BulletPoint4 : Longer life cycle: Made of soft collapsible foam, our sponge pads are highly elastic and have good breathability and water permeability, no need to worry about sucking the fish away or obstructing the normal water flow. Washable and reusable after cleaning. BulletPoint5 : Sufficient quantity: Includes 4 sponge bio filter pads (2 pieces of yellow sponge, 2 pieces of blue sponge. BulletPoint6 : Note: Due to the vacuum packaging the sponge pads may look thinner, which does not affect the filter effectiveness and you can soak them in water for 5-10 mins to get its original dimension. Color : White CustomerPackageType : Standard Packaging Directions : Adults 18 Years And Elder. ExternallyAssignedProductIdentifier : 5060088879986 ExternallyAssignedProductIdentifier1 : 827807290829 ExternallyAssignedProductIdentifier2 : 0827807290829 ExternallyAssignedProductIdentifier3 : 00827807290829 GpsrSafetyAttestation : 1 IncludedComponents : Blue Sponge Filter Media Pad * 2; Yellow Sponge Filter Media Pad * 2 ItemDisplayWeight : 0.7 pounds ItemForm : Granules ItemName : Evolution Aqua EVO 110W UV ItemPackageDimensions_Height : 142 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 32 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : pond-filtration-equipment LiquidVolume : 0.5 cubic_feet Manufacturer : Evolution Aqua Material : Polyester & Polyester Blend ModelName : Replacement Sponge Filter Media Pad for 1580/1840GPH ModelNumber : HEnv9986 NumberOfBoxes : 1 NumberOfItems : 4 PackageLevel : unit PartNumber : HEnv9986 PowerSourceType : Does Not Apply ProductDescription : Evo 110w uv ProductSiteLaunchDate : 2016-03-11T10:40:52.624Z Size : 1580/1840 GPH SpecificUsesForProduct : filter StreetDate : 2005-11-30T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudienceKeyword : fish TargetSpecies : Freshwater Pond Fish UnitCount : 1 UnspscCode : 49000000 WarrantyDescription : 1 Year