Material weight: 4 ounces per square yard means more fibers per unit of area for better dirt trapping power. Core: Pleatco Free Flow Core. Dimensions (L x W x H): 23.25 x 8.94 x 8.94 inches.Filter Cartridge for Hayward X-Stream CC1500. Cancelling Your Order: Your order is important to us and will be processed immediately. Select the reason for the return. The item "Pleatco PXST150 150 Sq Ft Replacement Pool Spa Filter Cartridge Element (2 Pack)" is in sale since Friday, March 2, 2018. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Filters". The seller is "vm-express" and is located in Lincoln, Nebraska. This item can be shipped to United States, Canada.