Maintain the structural integrity of your pool’s filtration system with this heavy-duty replacement center core. Engineered specifically for 50-square-foot cartridge filter housings, this reinforced support tube provides the necessary internal framework to keep your filter cartridge perfectly aligned and upright. Constructed from high-impact, chemical-resistant polymers, it features a precision-molded flow pattern to ensure maximum water distribution through the filter media. Whether you are replacing a cracked manifold or upgrading your internal components, this durable center core prevents cartridge collapse and ensures a leak-free, efficient circulation path for crystal-clear pool water.








