Spa Hot Tub Filter PRB25IN FC2375 C4326 40506 42513 SC704 RD25 SPA1003.
Pleatco Reference PRB25IN. Magnum Filter Reference RD25. Darlly Reference 42513. Filter Manufacturer. This is a very common filter that should fit Signature Spas. Jacuzzi J200 series. Hydro pool Spas.