Replacement Cartridge combo pack for Sta-Rite S7M120 pool filters. . Pentair 25022-0203S Large Outer Cartridge Replacement Sta-Rite System 3 SM-Series…. . Pentair 25021-0202S Small Inner Cartridge Replacement Sta-Rite System 3 SM-Series…. PoolSupplyWorld offers a full line-up of Sta-Rite Replacement Filter Cartridges to get your pool filter up and running as soon as possible. Sta-Rite. Filter Model. Length. Outer Diameter. Bottom Cap. Top Cap. OEM Cartridge #. Unicel #. Price. Sta-Rite 25021-0200s. 25 1/4 inches. 8 1/2 inches. Top of the line in quality are the Sta rite pool cartridge filters. . However pool cartridge filters are more popular because of the minimal maintenance involved. Buy the Sta-Rite System 3 450 sq ft Modular Cartridge Filter S8M150 today and Save! . Pool Type: Inground and Above Ground . Pressure Gauge: Included. Sta-rite original replacement cartridge elements ensure your Sta-rite filtration . Sta-rite filter cartridges that were designed for and included with your Sta-rite . Sta-Rite System 3 SS Series Filter Backwash Valve Required - Not Included · Sta- Rite System 3 SS Series Sand FIlters · Replacement Cartridge for Sta-Rite . Sta-Rite Original replacement filter cartridges, plus Unicel Cartridges and DE . Unicel Replacement Sta-Rite Pool Filter Cartridges . Manifold Not Included The Sta-Rite SR WC108-59S2X R is a compatible replacement for the following pool and spa filters: Unicel UHD-SR135 PSR135-4 Compatible Aladdin 23301 . Mod Media Filter System with 1 HP Pump for Above Ground Pools NE6200. . Sta-Rite has combined the powerful filtering capabilities of a cartridge filter with . Included. No Additional Items Included. Outdoor Living Product Type. Pool Filters.