Keep your pool or spa filter running smoothly by replacing broken, damaged, or missing parts. With this Pentair Tank Lid Replacement, you can keep your pool or spa filter at its peak performance. This is a tank lid assembly replacement. It is the Pentair model number 178553. This filter tank lid replacement fits Pentair Clean & Clear predator pool and spa cartridge filter, and with 50, 100, 125 square feet filters. This tank lid is resistant to pool chemicals and sports superior strength and reliability. Once attached to your pool filter, the tank lid is easy to remove for easy service and maintenance of your filter grids. Take care of your pool filter and it'll take care of you. Keep your filter operating smoothly with the Pentair Tank Lid Replacement.