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 D.E. filter at its peak performance. This is a tank lid assembly replacement. It is Pentair model number 27001-0020S. This filter tank lid replacement fits Pentair model number PLM100 PLM125 PLM150 PLM175 PLM200 PLDE36 which is the PLM Filter Systems Manufactured 2009 and Beyond System 2 Modular Media Filter System 2 Modular D.E. Filter. Constructed of polypropylene plastic that s reinforced with fiberglass this tank lid is resistant to pool chemicals and sports superior strength and reliability. Once attached to your D.E. pool filter the tank lid is easy to remove for easy service and maintenance of your D.E. 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.