Pentair FNS Plus Filter Lid Assembly, 50/100 sq ft | 178553 Oval supporting overall system performance

supporting overall system performance

Integrated Heat Shield Technology: Includes a matching black heat shield that allows for closer mounting to ceilings and combustible structures without compromising safety

OEM parts maintain safety and appearance standards

Their Crystal Water DE filters are known for predictable performance and long service life

HDPE Wicker: Offers a stylish appearance while being resilient to fading and cracking

Pentair FNS Plus Filter Lid Assembly, 50/100 sq ft | 178553 Oval supporting overall system performanceWhat This Part Is Used For Pentair 178553 Lid Assembly CNC, 50 100Sqft, FNS Plus is a replacement lid for compatible FNS Plus 50Sqft and 100Sqft filter models. It seals the cartridge filter housing during operation. Why This Part Matters Maintaining a proper seal prevents air intrusion and water leaks. A damaged lid can reduce filtration efficiency and system pressure. Replacing the assembly restores normal filter performance. Key Features and