Fits Hayward CCX1750-RE X-Stream PXST175 FC-1287 C-8317 Filter (2 Pack). Tier1 Model Number: PAS-1657-2-PACK. Fits Hayward 175, CC1750, Clearwater II and Waterway Pro Clean. The Tier1 PAS-1657 Replacement for Hayward CCX1750-RE, Pleatco PXST175 fits the Hayward X-Stream CC1750. Tier1 Pool and Spa filters will protect your investment engineered to outperform the competition and exceed your expectations. Featuring high durability filter fabric that maintains strength even when loaded with sediment and sand, a tighter porosity and denser weave to capture more contaminants in less time, and high strength, high flow core designed to support the filter while providing industry-leading flow rates. Tier1 Pool and Spa filters will clean your water faster and more efficiently with less wear and tear on your pump. Dive in with Tier1, the water’s great! Incredibly Simple To Use: Easily replaces the old filter cartridge with 175 Sq. Extremely Durable: Measures approximately 23 1/4 inches (length) x 8 15/16 inches (outside diameter); Top and Bottom 4 inch diameter. (Actual Size: 23.25″ x 8.875″). Fits The Model Numbers: Hayward X-stream 175, Hayward X-Stream CC1750, Clearwater II Pool Filter and Waterway Pro Clean. Your filters are guaranteed to be the right fit! Our customer service team is guaranteed to answer your call! You’re guaranteed to find expert help! If you need assistance placing your new order please let us know how we can help!