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leak-conscious operation
It directs water between filtration and backwash ports
Efficient Performance: Delivers 82 CFM of airflow
secure access
Size and Threads: 1
Pentair FNS Plus Filter Lid Assembly, 520 sq ft | 178582 Napoleon leak-conscious operationWhat This Part Is Used For Pentair 178582 Lid Assembly CNC, 520Sqft, FNS Plus is a replacement lid for compatible FNS Plus 520Sqft cartridge filters. It seals the large capacity filter housing. Why This Part Matters Large filters operate under steady pressure and require a secure lid. Cracked lids can cause leaks and pressure instability. Replacing the lid ensures consistent filtration and safe operation. Key Features and Specifications Pentair
US$ 1458.71
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US$ 16080.17