Inground Replacement Cartridge Elements | 120–200 Sq Ft

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Sure-Flo inground replacement cartridge elements restore your inground filter tank to full performance. All three sizes feature silver ion antimicrobial treatment that inhibits bac teria and algae growth between cleanings — for healthier water with less chemical intervention. Available in 120, 150, and 200 sq ft to match the 76122, 76152, and 76202 inground filter tanks. Replace when your pressure gauge rises 8–10 PSI above its starting level. Show more