Cost Effective Replacement Sand: Includes multiple replacement parts to meet extended maintenance demands, enhancing equipment reliability and reducing frequent purchase expenses for pool proprietors Easy Installation Planumberebog: Denial special tools required; replace in under 3 periods. Simply remove the old gasket and install the new L molded NONENTITY hoop, excellent for craft users and pool maintenance specialists Precise Agreement: Specifically developed for sand filter compressors and sieves, consistent model 1122Ensures a excellent fit, excellent sealing, and decreased stream resistance for upgraded sieving efficiency High Execution Sealing Substancemail: Produced from premium silicone rubber, this L molded NONENTITY hoop gasket withstands temperatures from 40°C to 120°C, offering 75% longer existence and better flexibility and pressure resistance compared to standard rubber Strengthened Sieving Knowledgemail: Improves structure sieving efficiency by 15%, ensuring cleanser and more distinct pool water. Four thousand households with children and animals, providing a safe and pleasant swimming knowledge, Manufacturer: uikios