Specification Brand : Chryseos BulletPoint1 : HIGH-QUALITY REPLACEMENT: Compatible with C-4326, FC-2375, PRB25-IN, PRB68, 303909, SD-00196, SD-00657, PLE-051-9174, PLE-051-9395, M-4326, 8172500, R173429, 5X13 Drop in hot tub filter. Note: All manufacturers' names and part numbers remain the property of their respective holder(s) and are used for compatibility purposes only. Chryseos is an independent brand. BulletPoint2 : FILTER SIZE: Length: 13 5/16''; Outer diameter: 4-15/16"; Top hole 2-1/8''; Bottom hole 2-1/8''; Filtration Area: 25 sq. ft. BulletPoint3 : ADVANTAGES OF FILTERS: These filters are easy to clean with hassle-free maintenance, and they are with long lifespan for extended use. so ensuring the clean and clear swimming experience with effective ones. BulletPoint4 : EASY INSTALLATION: These filters are easy to install and replace with hassle-free techniques, saving much time and effort. BulletPoint5 : RETURNS GUARANTEE:We guarantee free return or exchange within 6 months if there is any problem. We will provide customers with perfect service,from pre-sale to after-sale, one-to-one exclusive solution. Please feel free to contact us, and we value the customer's experience and trust at most. ItemName : Chryseos Spa Filter Compatible with PRB25-IN, C-4326, FC-2375, R173429, 8172500, 5X13 Drop in Spa Filter, 25 sq.ft, 2 Pack ItemPackageDimensions_Height : 36.4 centimeters ItemPackageDimensions_Length : 13.6 centimeters ItemPackageDimensions_Width : 26.7 centimeters ItemPackageQuantity : 2 ItemShape : Rectangular ItemTypeKeyword : swimming-pool-and-spa-replacement-parts Manufacturer : Chryseos ModelNumber : CH-04072 NumberOfBoxes : 5 NumberOfItems : 1 PartNumber : CH-04072 ProductDescription : Spa Filter Compatible with PRB25-IN,C-4326, FC-2375, R173429, 8172500, 5X13 Drop in Spa Filter, 25 sq.ft. , 2 Pack SupplierDeclaredDgHzRegulation : not_applicable