Specification Brand : Qzbhct BulletPoint1 : Versatile Pond Filtration: Qzbhct replacement pads are designed to fit 52231 and 52229 filter boxes, making them suitable for all pond pre-filter boxes and filtration systems for small ponds BulletPoint2 : Dual Filtration System: The coarse filter pads efficiently capture large debris, while the fine coarse filter pads catch small debris in the water flow, reducing clogging BulletPoint3 : Practical and Easy to Install: Installing Qzbhct pond filter pads replacement is straightforward; Simply place them in the filter box to start enhancing your filtration system BulletPoint4 : Compact size allows for placement into smaller areas BulletPoint5 : Contains 1, 000 BioBalls Color : Blue and Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 7705562130655 ExternallyAssignedProductIdentifier1 : 827807560144 ExternallyAssignedProductIdentifier2 : 0827807560144 ExternallyAssignedProductIdentifier3 : 00727429001615 GpsrSafetyAttestation : 1 IsAssemblyRequired : 1 ItemDisplayDimensions_Height : 1.5 inches ItemDisplayDimensions_Length : 1.5 inches ItemDisplayDimensions_Width : 1.5 inches ItemDisplayWeight : 23.5 pounds ItemName : Qzbhct 52231 52229 Blue and Black Sponge Filters Replacement for Pond Pump Pre-Filter Box Filter Pads, 4 Pack ItemPackageDimensions_Height : 3 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 4.7 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : pond-filtration-equipment Manufacturer : Qzbhct Material : Plastic ModelName : 52231 52229 Replacement Filter Pads ModelNumber : 52231 52229 Replacement Filter Pads NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 52231 52229 PowerSourceType : manual ProductDescription : Fit for:blue and black sponge filters replacement pads for 52231 and 52229,suitable for all pond pre-filter boxes,filtration systems for small ponds ProductSiteLaunchDate : 2011-12-05T20:54:05.529Z Size : 4 Pack Style : 6000 3-inch SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 21000000